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Make option::is_some option::is_none pure

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This commit is contained in:
Brian Anderson 2011-10-27 18:15:58 -07:00
parent 91997e79aa
commit b16d9019a8
1 changed files with 2 additions and 2 deletions
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4
src/lib/option.rs
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@ -45,7 +45,7 @@ Function: is_none
Returns true if the option equals none
*/
fn is_none<T>(opt: t<T>) -> bool {
pure fn is_none<T>(opt: t<T>) -> bool {
alt opt { none. { true } some(_) { false } }
}
@ -54,7 +54,7 @@ Function: is_some
Returns true if the option contains some value
*/
fn is_some<T>(opt: t<T>) -> bool { !is_none(opt) }
pure fn is_some<T>(opt: t<T>) -> bool { !is_none(opt) }
/*
Function: from_maybe