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primop_test.go
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primop_test.go
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package gonix_test
import (
"fmt"
"github.com/farcaller/gonix"
)
func ExampleRegisterGlobalPrimOp() {
ctx := gonix.NewContext()
store, _ := gonix.NewStore(ctx, "dummy", nil)
gonix.RegisterGlobalPrimOp(
ctx,
"summer",
[]string{"arg0", "arg1", "arg2"},
"docs",
func(ctx *gonix.Context, state *gonix.State, args ...*gonix.Value) *gonix.Value {
var sum int64 = 0
for _, val := range args {
i, _ := val.GetInt()
sum += i
}
r, _ := state.NewInt(sum)
return r
})
state := store.NewState(nil)
res, _ := state.EvalExpr(`builtins.summer 1 2 3`, ".")
fmt.Println(res)
// Output: 6
}
func ExampleState_NewPrimOp() {
ctx := gonix.NewContext()
store, _ := gonix.NewStore(ctx, "dummy", nil)
state := store.NewState(nil)
op, _ := gonix.NewPrimOp(
ctx,
"helloworlder",
[]string{"target"},
"docs",
func(ctx *gonix.Context, state *gonix.State, args ...*gonix.Value) *gonix.Value {
v, _ := state.NewString(fmt.Sprintf("hello, %s", args[0]))
return v
})
vop, _ := state.NewPrimOp(op)
world, _ := state.NewString("world")
res, err := state.Call(vop, world)
if err != nil {
panic(fmt.Errorf("failed to call: %v", err))
}
fmt.Println(res)
// Output: hello, world
}