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close #2018

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This commit is contained in:
Zahary Karadjov 2017-03-24 15:53:56 +02:00
commit d16557bbdb
1 changed files with 17 additions and 2 deletions
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19
tests/concepts/tmisc_issues.nim
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@ -2,7 +2,9 @@ discard """
output: '''true output: '''true
true true
true true
true''' true
p has been called.
p has been called.'''
""" """
# https://github.com/nim-lang/Nim/issues/1147 # https://github.com/nim-lang/Nim/issues/1147
@ -15,7 +17,7 @@ proc add*(self: var TTest, val: int) =
type CAddable = concept x type CAddable = concept x
x[].add(int) x[].add(int)
echo((ref TTest) is CAddable) echo((ref TTest) is CAddable) # true
# https://github.com/nim-lang/Nim/issues/1570 # https://github.com/nim-lang/Nim/issues/1570
type ConcretePointOfFloat = object type ConcretePointOfFloat = object
@ -34,3 +36,16 @@ echo p1 is AbstractPointOfFloat # true
echo p2 is AbstractPointOfFloat # true echo p2 is AbstractPointOfFloat # true
echo p2.x is float and p2.y is float # true echo p2.x is float and p2.y is float # true
# https://github.com/nim-lang/Nim/issues/2018
type ProtocolFollower = generic
true # not a particularly involved protocol
type ImplementorA = object
type ImplementorB = object
proc p[A: ProtocolFollower, B: ProtocolFollower](a: A, b: B) =
echo "p has been called."
p(ImplementorA(), ImplementorA())
p(ImplementorA(), ImplementorB())