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discard """
errormsg: "invalid type: 'lent QuadraticExt' in this context: 'proc (r: var QuadraticExt, a: lent QuadraticExt, b: lent QuadraticExt){.noSideEffect, gcsafe.}' for proc"
"""
# bug #16898
type
Fp[N: static int, T] = object
big: array[N, T]
type
QuadraticExt* = concept x
## Quadratic Extension concept (like complex)
type BaseField = auto
x.c0 is BaseField
x.c1 is BaseField
{.experimental:"views".}
func prod(r: var QuadraticExt, a, b: lent QuadraticExt) =
discard
type
Fp2[N: static int, T] = object
c0, c1: Fp[N, T]
# This should be passed by reference,
# but concepts do not respect the 24 bytes rule
# or `byref` pragma.
var r, a, b: Fp2[6, uint64]
prod(r, a, b)
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