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discard """
output: '''10
10
10
3
3
noReturn
6
'''
"""
import future
proc twoParams(x: (int, int) -> int): int =
result = x(5, 5)
proc oneParam(x: int -> int): int =
x(5)
proc noParams(x: () -> int): int =
result = x()
proc noReturn(x: () -> void) =
x()
proc doWithOneAndTwo(f: (int, int) -> int): int =
f(1,2)
echo twoParams(proc (a, b: auto): auto = a + b)
echo twoParams((x, y) => x + y)
echo oneParam(x => x+5)
echo noParams(() => 3)
echo doWithOneAndTwo((x, y) => x + y)
noReturn((() -> void) => echo("noReturn"))
proc pass2(f: (int, int) -> int): (int) -> int =
((x: int) -> int) => f(2, x)
echo pass2((x, y) => x + y)(4)
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