mecca ~master (2021-09-12T14:37:04Z)

FD.checkedCall

mecca lib io FD

Run an fd based function and throw if it fails

This function behave the same as osCall, except if the return is -1, it will throw an ErrnoException

struct FD
@system @nogc
auto
checkedCall
(
alias F
T...
)
(
T args
,
string errorMessage
)
if (
is(Parameters!F[0] == int)
)

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