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discard """
output: '''
papbpcpdpe7
'''
"""
block genericprocvar:
proc foo[T](thing: T) =
discard thing
var a: proc (thing: int) {.nimcall.} = foo[int]
block tprocvar2:
proc pa() {.cdecl.} = write(stdout, "pa")
proc pb() {.cdecl.} = write(stdout, "pb")
proc pc() {.cdecl.} = write(stdout, "pc")
proc pd() {.cdecl.} = write(stdout, "pd")
proc pe() {.cdecl.} = write(stdout, "pe")
const algos = [pa, pb, pc, pd, pe]
var x: proc (a, b: int): int {.cdecl.}
proc ha(c, d: int): int {.cdecl.} =
echo(c + d)
result = c + d
for a in items(algos):
a()
x = ha
discard x(3, 4)
block tprocvars:
proc doSomething(v: int, x: proc(v:int):int): int = return x(v)
proc doSomething(v: int, x: proc(v:int)) = x(v)
doAssert doSomething(10, proc(v: int): int = return v div 2) == 5
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