package ir

import (
	"cmd/compile/internal/types"
	"cmd/internal/obj"
)

// Syms holds known symbols.
var Syms symsStruct

type symsStruct struct {
	AssertE2I         *obj.LSym
	AssertE2I2        *obj.LSym
	AssertI2I         *obj.LSym
	AssertI2I2        *obj.LSym
	Asanread          *obj.LSym
	Asanwrite         *obj.LSym
	CgoCheckMemmove   *obj.LSym
	CgoCheckPtrWrite  *obj.LSym

	{"runtime.convT", 1},
	{"runtime.convTnoptr", 1},
	{"runtime.convT16", 1},
	{"runtime.convT32", 1},
	{"runtime.convT64", 1},
	{"runtime.convTstring", 1},
	{"runtime.convTslice", 1},
	{"runtime.assertE2I", 1},
	{"runtime.assertE2I2", 1},
	{"runtime.panicdottypeE", 1},
	{"runtime.panicdottypeI", 1},
	{"runtime.panicnildottype", 1},
	{"runtime.typeAssert", 1},
	{"runtime.interfaceSwitch", 1},
	{"runtime.ifaceeq", 1},

type Matcher[T any] func(T) bool

func Produces[T any](T) Matcher[<-chan T] { return nil }

func Assert1[T any](Matcher[T], T) {}
func Assert2[T any](T, Matcher[T]) {}

func _() {
	var ch chan string
	Assert1(Produces(""), ch)
	Assert2(ch, Produces(""))