diff options
Diffstat (limited to 'src/term.rs')
-rw-r--r-- | src/term.rs | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/term.rs b/src/term.rs index d2d711b4..430a68ea 100644 --- a/src/term.rs +++ b/src/term.rs @@ -16,6 +16,7 @@ use std::mem; use std::ops::{Deref, Range}; use std::ptr; +use std::cmp; use ansi::{self, Attr, Handler}; use grid::{Grid, ClearRegion}; @@ -65,14 +66,9 @@ impl<'a> Deref for RenderGrid<'a> { } /// coerce val to be between min and max -fn limit<T: PartialOrd>(val: T, min: T, max: T) -> T { - if val < min { - min - } else if val > max { - max - } else { - val - } +#[inline] +fn limit<T: PartialOrd + Ord>(val: T, min: T, max: T) -> T { + cmp::min(cmp::max(min, val), max) } pub mod cell { @@ -878,6 +874,9 @@ impl ansi::Handler for Term { #[cfg(test)] mod tests { extern crate serde_json; + extern crate test; + + use super::limit; use ansi::Color; use grid::Grid; @@ -903,4 +902,11 @@ mod tests { assert_eq!(deserialized, grid); } + + #[test] + fn limit_works() { + assert_eq!(limit(5, 1, 10), 5); + assert_eq!(limit(5, 6, 10), 6); + assert_eq!(limit(5, 1, 4), 4); + } } |