Add doctest example
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@ -80,7 +80,7 @@ fn test_parse_complex() {
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///
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///
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/// `bounds` is a pair giving the width and height of the image in pixels.
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/// `bounds` is a pair giving the width and height of the image in pixels.
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/// `pixel` is a (column, row) pair indicating a particular pixel in that image.
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/// `pixel` is a (column, row) pair indicating a particular pixel in that image.
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/// The `upper_left` and `lower_right` parameters are pionts on the complex
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/// The `upper_left` and `lower_right` parameters are points on the complex
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/// plain designating the area our image covers
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/// plain designating the area our image covers
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fn pixel_to_point(
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fn pixel_to_point(
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bounds: (usize, usize),
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bounds: (usize, usize),
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7
ranges/Cargo.toml
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7
ranges/Cargo.toml
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@ -0,0 +1,7 @@
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[package]
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name = "ranges"
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version = "0.1.0"
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authors = ["Timothy Warren <twarren@nabancard.com>"]
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edition = "2018"
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[dependencies]
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23
ranges/src/lib.rs
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23
ranges/src/lib.rs
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@ -0,0 +1,23 @@
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use std::ops::Range;
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/// Return true if two ranges overlap
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///
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/// assert_eq!(ranges::overlap(0..7, 3..10), true);
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/// assert_eq!(ranges::overlap(1..5, 101..105), false);
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///
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/// If either range is empty, they don't count as overlapping.
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///
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/// assert_eq!(ranges::overlap(0..0, 0..10), false);
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///
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pub fn overlap(r1: Range<usize>, r2: Range<usize>) -> bool {
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r1.start < r1.end && r2.start < r2.end &&
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r1.start < r2.end && r2.start < r1.end
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}
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#[cfg(test)]
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mod tests {
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#[test]
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fn it_works() {
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assert_eq!(2 + 2, 4);
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}
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}
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