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Copy pathtmultim.nim
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95 lines (71 loc) · 1.74 KB
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discard """
output: '''
collide: unit, thing
collide: unit, thing
collide: thing, unit
collide: thing, thing
collide: unit, thing |
collide: unit, thing |
collide: thing, unit |
do nothing
'''
joinable: false
"""
# tmultim2
type
TThing = object {.inheritable.}
TUnit = object of TThing
x: int
TParticle = object of TThing
a, b: int
method collide(a, b: TThing) {.base, inline.} =
echo "collide: thing, thing"
method collide(a: TThing, b: TUnit) {.inline.} =
echo "collide: thing, unit"
method collide(a: TUnit, b: TThing) {.inline.} =
echo "collide: unit, thing"
proc test(a, b: TThing) {.inline.} =
collide(a, b)
proc staticCollide(a, b: TThing) {.inline.} =
procCall collide(a, b)
var
a: TThing
b, c: TUnit
collide(b, c) # ambiguous (unit, thing) or (thing, unit)? -> prefer unit, thing!
test(b, c)
collide(a, b)
staticCollide(a, b)
# tmultim6
type
Thing = object {.inheritable.}
Unit[T] = object of Thing
x: T
Particle = object of Thing
a, b: int
method collide(a, b: Thing) {.base, inline.} =
quit "to override!"
method collide[T](a: Thing, b: Unit[T]) {.inline.} =
echo "collide: thing, unit |"
method collide[T](a: Unit[T], b: Thing) {.inline.} =
echo "collide: unit, thing |"
proc test(a, b: Thing) {.inline.} =
collide(a, b)
var
aaa: Thing
bbb, ccc: Unit[string]
collide(bbb, Thing(ccc))
test(bbb, ccc)
collide(aaa, bbb)
# tmethods1
method somethin(obj: RootObj) {.base.} =
echo "do nothing"
type
TNode* = object {.inheritable.}
PNode* = ref TNode
PNodeFoo* = ref object of TNode
TSomethingElse = object
PSomethingElse = ref TSomethingElse
method foo(a: PNode, b: PSomethingElse) {.base.} = discard
method foo(a: PNodeFoo, b: PSomethingElse) = discard
var o: RootObj
o.somethin()