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85 lines
2.2 KiB
Rust
85 lines
2.2 KiB
Rust
#![feature(exclusive_range_pattern)]
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#![allow(overlapping_range_endpoints)]
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// run-pass
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fn main() {
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let incl_range = |x, b| {
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match x {
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0..=5 if b => 0,
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5..=10 if b => 1,
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1..=4 if !b => 2,
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_ => 3,
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}
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};
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assert_eq!(incl_range(3, false), 2);
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assert_eq!(incl_range(3, true), 0);
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assert_eq!(incl_range(5, false), 3);
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assert_eq!(incl_range(5, true), 0);
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let excl_range = |x, b| {
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match x {
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0..5 if b => 0,
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5..10 if b => 1,
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1..4 if !b => 2,
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_ => 3,
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}
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};
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assert_eq!(excl_range(3, false), 2);
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assert_eq!(excl_range(3, true), 0);
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assert_eq!(excl_range(5, false), 3);
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assert_eq!(excl_range(5, true), 1);
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let incl_range_vs_const = |x, b| {
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match x {
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0..=5 if b => 0,
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7 => 1,
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3 => 2,
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_ => 3,
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}
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};
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assert_eq!(incl_range_vs_const(5, false), 3);
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assert_eq!(incl_range_vs_const(5, true), 0);
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assert_eq!(incl_range_vs_const(3, false), 2);
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assert_eq!(incl_range_vs_const(3, true), 0);
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assert_eq!(incl_range_vs_const(7, false), 1);
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assert_eq!(incl_range_vs_const(7, true), 1);
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let excl_range_vs_const = |x, b| {
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match x {
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0..5 if b => 0,
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7 => 1,
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3 => 2,
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_ => 3,
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}
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};
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assert_eq!(excl_range_vs_const(5, false), 3);
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assert_eq!(excl_range_vs_const(5, true), 3);
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assert_eq!(excl_range_vs_const(3, false), 2);
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assert_eq!(excl_range_vs_const(3, true), 0);
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assert_eq!(excl_range_vs_const(7, false), 1);
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assert_eq!(excl_range_vs_const(7, true), 1);
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let const_vs_incl_range = |x, b| {
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match x {
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3 if b => 0,
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5..=7 => 2,
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1..=4 => 1,
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_ => 3,
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}
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};
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assert_eq!(const_vs_incl_range(3, false), 1);
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assert_eq!(const_vs_incl_range(3, true), 0);
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let const_vs_excl_range = |x, b| {
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match x {
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3 if b => 0,
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5..7 => 2,
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1..4 => 1,
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_ => 3,
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}
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};
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assert_eq!(const_vs_excl_range(3, false), 1);
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assert_eq!(const_vs_excl_range(3, true), 0);
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}
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