countIf

Undocumented in source. Be warned that the author may not have intended to support it.

size_t countIf(T[] haystack, Pred pred)
size_t countIf(Buffer!(T) haystack, Pred pred)
size_t
countIf
(
T
Pred = DefaultPredicates.IsEqual!(T)
)
(
ref Buffer!(T) haystack
,
Pred pred = Pred.init
)

Examples

auto buffer = createBuffer("gbbbi");
test!("==")(countIf(buffer, ( char c ) { return c == 'b'; }), 3);

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