spyF

Types

spyF :: (Show b, Show a) => F a b -> F a b

Synopsis

spyF fudget

Description

spyF prints the high level input and output of a fudget on the standard error output. This can be helpful when debugging fudgets.

Arguments

fudget :: F a b
A fudget whose input and output message are to be traced. The messages will appear on the standard error channel. Input and output messages will be prefixed with "IN:" and "OUT:" respectively.

See Also

teeF, showCommandF, trace in the hbc_library module Trace.