findUnique

Undocumented in source. Be warned that the author may not have intended to support it.
InputRange
findUnique
(
alias pred = "a == b"
InputRange
Element
)
(
InputRange haystack
,
scope Element needle
)
if (
isInputRange!InputRange &&
is(typeof(binaryFun!pred(haystack.front, needle)) : bool)
)

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