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# bug #5909
type
Vec2[T] = tuple
x,y: T
Vec2f = Vec2[float32]
proc vec2f(x,y: float): Vec2f =
result.x = x
result.y = y
proc `-`[T](a,b: Vec2[T]): Vec2[T] =
result.x = a.x - b.x
result.y = a.y - b.y
proc foo[T](a: Vec2[T]): Vec2[T] =
result = a
block:
# this being called foo is a problem when calling .foo()
var foo = true
let a = vec2f(1.0,0.0)
let b = vec2f(3.0,1.0)
let c = (a - b).foo() # breaks
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