From e620daf3b1a40ae825c625bc4328fb7d2b3ee8b6 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Wed, 2 Jul 2014 02:54:21 -0400
Subject: initial commit

---
 examples/00_intro.txt             | 24 ++++++++++++++++
 examples/01_hello.rs              |  4 +++
 examples/02_sample.rs             | 22 +++++++++++++++
 examples/03_sample-filter.rs      | 22 +++++++++++++++
 examples/04_point.rs              | 10 +++++++
 examples/05_enum.rs               | 11 ++++++++
 examples/06_enum-nonexhaustive.rs | 11 ++++++++
 examples/07_enum-unknown-value.rs | 11 ++++++++
 examples/08_enum-custom.rs        | 21 ++++++++++++++
 examples/09_option.rs             |  5 ++++
 examples/10_vec.rs                | 10 +++++++
 examples/11_str.rs                |  8 ++++++
 examples/12_point-impl.rs         | 16 +++++++++++
 examples/13_trait.rs              | 24 ++++++++++++++++
 examples/14_point-show.rs         | 19 +++++++++++++
 examples/15_borrow-error.cpp      | 14 ++++++++++
 examples/16_borrow-error.rs       | 10 +++++++
 examples/17_borrow-error-fixed.rs | 10 +++++++
 examples/18_ownership_error.rs    |  6 ++++
 examples/19_list-error.rs         | 12 ++++++++
 examples/20_list.rs               | 12 ++++++++
 examples/21_spawn.rs              | 24 ++++++++++++++++
 examples/22_see_also.txt          | 18 ++++++++++++
 examples/Makefile                 | 58 +++++++++++++++++++++++++++++++++++++++
 24 files changed, 382 insertions(+)
 create mode 100644 examples/00_intro.txt
 create mode 100644 examples/01_hello.rs
 create mode 100644 examples/02_sample.rs
 create mode 100644 examples/03_sample-filter.rs
 create mode 100644 examples/04_point.rs
 create mode 100644 examples/05_enum.rs
 create mode 100644 examples/06_enum-nonexhaustive.rs
 create mode 100644 examples/07_enum-unknown-value.rs
 create mode 100644 examples/08_enum-custom.rs
 create mode 100644 examples/09_option.rs
 create mode 100644 examples/10_vec.rs
 create mode 100644 examples/11_str.rs
 create mode 100644 examples/12_point-impl.rs
 create mode 100644 examples/13_trait.rs
 create mode 100644 examples/14_point-show.rs
 create mode 100644 examples/15_borrow-error.cpp
 create mode 100644 examples/16_borrow-error.rs
 create mode 100644 examples/17_borrow-error-fixed.rs
 create mode 100644 examples/18_ownership_error.rs
 create mode 100644 examples/19_list-error.rs
 create mode 100644 examples/20_list.rs
 create mode 100644 examples/21_spawn.rs
 create mode 100644 examples/22_see_also.txt
 create mode 100644 examples/Makefile

(limited to 'examples')

diff --git a/examples/00_intro.txt b/examples/00_intro.txt
new file mode 100644
index 0000000..4c24d12
--- /dev/null
+++ b/examples/00_intro.txt
@@ -0,0 +1,24 @@
+
+
+
+
+
+
+
+
+
+
+
+                                  Introduction to Rust
+                                      Jesse Luehrs
+
+
+
+
+
+
+
+
+
+
+
diff --git a/examples/01_hello.rs b/examples/01_hello.rs
new file mode 100644
index 0000000..056d90f
--- /dev/null
+++ b/examples/01_hello.rs
@@ -0,0 +1,4 @@
+fn main () {
+    println!("Hello world!")
+}
+
diff --git a/examples/02_sample.rs b/examples/02_sample.rs
new file mode 100644
index 0000000..4df0563
--- /dev/null
+++ b/examples/02_sample.rs
@@ -0,0 +1,22 @@
+fn main() {
+    // A simple integer calculator:
+    // `+` or `-` means add or subtract by 1
+    // `*` or `/` means multiply or divide by 2
+
+    let program = "+ + * - /";
+    let mut accumulator = 0i;
+
+    for token in program.chars() {
+        match token {
+            '+' => accumulator += 1,
+            '-' => accumulator -= 1,
+            '*' => accumulator *= 2,
+            '/' => accumulator /= 2,
+            _ => { /* ignore everything else */ }
+        }
+    }
+
+    println!("The program \"{}\" calculates the value {}",
+              program, accumulator);
+}
+
diff --git a/examples/03_sample-filter.rs b/examples/03_sample-filter.rs
new file mode 100644
index 0000000..3fc0bff
--- /dev/null
+++ b/examples/03_sample-filter.rs
@@ -0,0 +1,22 @@
+fn main() {
+    // A simple integer calculator:
+    // `+` or `-` means add or subtract by 1
+    // `*` or `/` means multiply or divide by 2
+
+    let program = "+ + * - /";
+    let mut accumulator = 0i;
+
+    for token in program.chars().filter(|&x| { x != ' ' }) {
+        match token {
+            '+' => accumulator += 1,
+            '-' => accumulator -= 1,
+            '*' => accumulator *= 2,
+            '/' => accumulator /= 2,
+            _   => fail!("unknown character"),
+        }
+    }
+
+    println!("The program \"{}\" calculates the value {}",
+              program, accumulator);
+}
+
diff --git a/examples/04_point.rs b/examples/04_point.rs
new file mode 100644
index 0000000..a5b1910
--- /dev/null
+++ b/examples/04_point.rs
@@ -0,0 +1,10 @@
+struct Point {
+    x: int,
+    y: int,
+}
+
+fn main () {
+    let p1 = Point { x: 1, y: 2 };
+    println!("({}, {})", p1.x, p1.y);
+}
+
diff --git a/examples/05_enum.rs b/examples/05_enum.rs
new file mode 100644
index 0000000..304ad04
--- /dev/null
+++ b/examples/05_enum.rs
@@ -0,0 +1,11 @@
+enum Color {
+    Red,
+    Green,
+    Blue,
+}
+
+fn main () {
+    let c = Red;
+    println!("{}", match c { Red => "r", Green => "g", Blue => "b" });
+}
+
diff --git a/examples/06_enum-nonexhaustive.rs b/examples/06_enum-nonexhaustive.rs
new file mode 100644
index 0000000..14d5bc8
--- /dev/null
+++ b/examples/06_enum-nonexhaustive.rs
@@ -0,0 +1,11 @@
+enum Color {
+    Red,
+    Green,
+    Blue,
+}
+
+fn main () {
+    let c = Red;
+    println!("{}", match c { Red => "r", Green => "g" });
+}
+
diff --git a/examples/07_enum-unknown-value.rs b/examples/07_enum-unknown-value.rs
new file mode 100644
index 0000000..76cc2d3
--- /dev/null
+++ b/examples/07_enum-unknown-value.rs
@@ -0,0 +1,11 @@
+enum Color {
+    Red,
+    Green,
+    Blue,
+}
+
+fn main () {
+    let c = Red;
+    println!("{}", match c { Red => "r", Green => "g", Blue => "b", 27 => "a" });
+}
+
diff --git a/examples/08_enum-custom.rs b/examples/08_enum-custom.rs
new file mode 100644
index 0000000..48d3691
--- /dev/null
+++ b/examples/08_enum-custom.rs
@@ -0,0 +1,21 @@
+enum Color {
+    Red,
+    Green,
+    Blue,
+    Custom(int, int, int),
+}
+
+fn print_color (c: Color) {
+    match c {
+        Red             => println!("#ff0000"),
+        Green           => println!("#00ff00"),
+        Blue            => println!("#0000ff"),
+        Custom(r, g, b) => println!("#{:02x}{:02x}{:02x}", r, g, b),
+    }
+}
+
+fn main () {
+    print_color(Red);
+    print_color(Custom(0x12, 0x45, 0xba));
+}
+
diff --git a/examples/09_option.rs b/examples/09_option.rs
new file mode 100644
index 0000000..ca06399
--- /dev/null
+++ b/examples/09_option.rs
@@ -0,0 +1,5 @@
+enum Option<T> {
+    Some(T),
+    None,
+}
+
diff --git a/examples/10_vec.rs b/examples/10_vec.rs
new file mode 100644
index 0000000..eb00960
--- /dev/null
+++ b/examples/10_vec.rs
@@ -0,0 +1,10 @@
+fn main () {
+    let mut v = vec![6i, 8i, 22i];
+    v.push(58);
+
+    println!("{}:", v.len());
+    for value in v.iter() {
+        println!("  {}", value);
+    }
+}
+
diff --git a/examples/11_str.rs b/examples/11_str.rs
new file mode 100644
index 0000000..7b40fc4
--- /dev/null
+++ b/examples/11_str.rs
@@ -0,0 +1,8 @@
+fn main () {
+    let mut s = String::from_str("Hello");
+    s.push_str(" world");
+
+    println!("{}", s.len());
+    println!("{}", s);
+}
+
diff --git a/examples/12_point-impl.rs b/examples/12_point-impl.rs
new file mode 100644
index 0000000..302f787
--- /dev/null
+++ b/examples/12_point-impl.rs
@@ -0,0 +1,16 @@
+struct Point {
+    x: int,
+    y: int,
+}
+
+impl Point {
+    fn new (x: int, y: int) -> Point { Point { x: x, y: y } }
+    fn x (&self) -> int { self.x }
+    fn y (&self) -> int { self.y }
+}
+
+fn main () {
+    let p1 = Point::new(1, 2);
+    println!("({}, {})", p1.x(), p1.y());
+}
+
diff --git a/examples/13_trait.rs b/examples/13_trait.rs
new file mode 100644
index 0000000..8976d0a
--- /dev/null
+++ b/examples/13_trait.rs
@@ -0,0 +1,24 @@
+trait Area {
+    fn area (&self) -> f64;
+}
+struct Rectangle {
+    width:  f64,
+    height: f64,
+}
+impl Area for Rectangle {
+    fn area (&self) -> f64 { self.width * self.height }
+}
+struct Circle {
+    radius: f64,
+}
+impl Area for Circle {
+    fn area (&self) -> f64 { 3.14 * self.radius * self.radius }
+}
+fn print_area<T: Area> (shape: T) {
+    println!("{}", shape.area());
+}
+fn main () {
+    print_area(Circle { radius: 2.0 });
+    print_area(Rectangle { width: 3.2, height: 4.5 });
+}
+
diff --git a/examples/14_point-show.rs b/examples/14_point-show.rs
new file mode 100644
index 0000000..fb21ab1
--- /dev/null
+++ b/examples/14_point-show.rs
@@ -0,0 +1,19 @@
+use std::fmt::{Show,Formatter,FormatError};
+
+struct Point {
+    x: int,
+    y: int,
+}
+
+impl Show for Point {
+    fn fmt (&self, f: &mut Formatter) -> Result<(), FormatError> {
+        try!(write!(f, "({}, {})", self.x, self.y));
+        return Ok(());
+    }
+}
+
+fn main () {
+    let p1 = Point { x: 1, y: 2 };
+    println!("{}", p1);
+}
+
diff --git a/examples/15_borrow-error.cpp b/examples/15_borrow-error.cpp
new file mode 100644
index 0000000..74213ce
--- /dev/null
+++ b/examples/15_borrow-error.cpp
@@ -0,0 +1,14 @@
+#include <iostream>
+
+int *foo(void)
+{
+    int x = 2;
+    return &x;
+}
+
+int main(int argc, char *argv[])
+{
+    int *x = foo();
+    std::cout << *x << std::endl;
+}
+
diff --git a/examples/16_borrow-error.rs b/examples/16_borrow-error.rs
new file mode 100644
index 0000000..eefe233
--- /dev/null
+++ b/examples/16_borrow-error.rs
@@ -0,0 +1,10 @@
+fn foo () -> &int {
+    let x = 2;
+    return &x;
+}
+
+fn main () {
+    let x = foo();
+    println!("{}", *x);
+}
+
diff --git a/examples/17_borrow-error-fixed.rs b/examples/17_borrow-error-fixed.rs
new file mode 100644
index 0000000..06ff060
--- /dev/null
+++ b/examples/17_borrow-error-fixed.rs
@@ -0,0 +1,10 @@
+fn foo () -> Box<int> {
+    let x = box 2;
+    return x;
+}
+
+fn main () {
+    let x = foo();
+    println!("{}", *x);
+}
+
diff --git a/examples/18_ownership_error.rs b/examples/18_ownership_error.rs
new file mode 100644
index 0000000..0e791c6
--- /dev/null
+++ b/examples/18_ownership_error.rs
@@ -0,0 +1,6 @@
+fn main () {
+    let x = box 2;
+    let y = x;
+    let z = x;
+}
+
diff --git a/examples/19_list-error.rs b/examples/19_list-error.rs
new file mode 100644
index 0000000..836e346
--- /dev/null
+++ b/examples/19_list-error.rs
@@ -0,0 +1,12 @@
+extern crate debug;
+
+enum List<T> {
+    Cons(T, List<T>),
+    Nil
+}
+
+fn main () {
+    let l = Cons(1, Cons(2, Cons(4, Nil)));
+    println!("{:?}", l);
+}
+
diff --git a/examples/20_list.rs b/examples/20_list.rs
new file mode 100644
index 0000000..a8b7e6f
--- /dev/null
+++ b/examples/20_list.rs
@@ -0,0 +1,12 @@
+extern crate debug;
+
+enum List<T> {
+    Cons(T, Box<List<T>>),
+    Nil
+}
+
+fn main () {
+    let l = box Cons(1i, box Cons(2i, box Cons(4i, box Nil)));
+    println!("{:?}", l);
+}
+
diff --git a/examples/21_spawn.rs b/examples/21_spawn.rs
new file mode 100644
index 0000000..770bb21
--- /dev/null
+++ b/examples/21_spawn.rs
@@ -0,0 +1,24 @@
+fn ack (m: uint, n: uint) -> uint {
+    match (m, n) {
+        (0, n) => n + 1,
+        (m, 0) => ack(m - 1, 1),
+        (m, n) => ack(m - 1, ack(m, n - 1)),
+    }
+}
+fn main () {
+    let (write, read) = channel();
+    let (m, n) = (3, 10);
+
+    spawn(proc () {
+        write.send(ack(m, n));
+    });
+
+    let mut result = read.try_recv();
+    while !result.is_ok() {
+        println!(".");
+        std::io::timer::sleep(100);
+        result = read.try_recv();
+    }
+    println!("Ack({}, {}) = {}", m, n, result.unwrap_or_else(|e| { fail!(e) }));
+}
+
diff --git a/examples/22_see_also.txt b/examples/22_see_also.txt
new file mode 100644
index 0000000..6f8c780
--- /dev/null
+++ b/examples/22_see_also.txt
@@ -0,0 +1,18 @@
+Official Sites
+==============
+Website:      http://rust-lang.org/
+IRC channel:  irc://irc.mozilla.org/#rust
+Mailing List: https://mail.mozilla.org/pipermail/rust-dev/
+Repository:   https://github.com/rust-lang/rust
+
+Learning Rust
+=============
+http://doc.rust-lang.org/
+http://play.rust-lang.org/
+http://rustbyexample.com/
+
+Contributing to Rust
+====================
+http://blog.octayn.net/
+https://github.com/rust-lang/rust/wiki/Note-development-policy
+
diff --git a/examples/Makefile b/examples/Makefile
new file mode 100644
index 0000000..0f42308
--- /dev/null
+++ b/examples/Makefile
@@ -0,0 +1,58 @@
+OUT = 01_hello \
+      02_sample \
+      03_sample-filter \
+      04_point \
+      05_enum \
+      08_enum-custom \
+      10_vec \
+      11_str \
+      12_point-impl \
+      13_trait \
+      14_point-show \
+      17_borrow-error-fixed \
+      20_list \
+      21_spawn
+
+all : $(OUT)
+
+1 : 01_hello
+	./01_hello
+2 : 02_sample
+	./02_sample
+3 : 03_sample-filter
+	./03_sample-filter
+4 : 04_point
+	./04_point
+5 : 05_enum
+	./05_enum
+6 : 06_enum-nonexhaustive
+7 : 07_enum-unknown-value
+8 : 08_enum-custom
+	./08_enum-custom
+10 : 10_vec
+	./10_vec
+11 : 11_str
+	./11_str
+12 : 12_point-impl
+	./12_point-impl
+13 : 13_trait
+	./13_trait
+14 : 14_point-show
+	./14_point-show
+16 : 16_borrow-error
+17 : 17_borrow-error-fixed
+	./17_borrow-error-fixed
+18 : 18_ownership_error
+19 : 19_list-error
+20 : 20_list
+	./20_list
+21 : 21_spawn
+	./21_spawn
+
+% : %.rs
+	rustc $<
+
+clean:
+	rm -f $(OUT)
+
+.PHONY: clean
-- 
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