mapOrElse.mapOrElse

The actual mapOrElse function.

template mapOrElse(alias valueOp, alias errorOp)

@safe

mapOrElse

(

T

E

H

)

(

auto ref Expected!(T, E, H) self

)

if (

is(typeof(errorOp(self.error))) &&

(

(

is(T == void) &&

is(typeof(valueOp()) == typeof(errorOp(self.error)))

) ||

(

!is(T == void) &&

is(typeof(valueOp(self.value)) == typeof(errorOp(self.error)))

)

)

)

Parameters

self: Type: Expected!(T, E, H)
an Expected object

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expected mapOrElse functions

mapOrElse