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Marc VertesandGitHub
af47b65c7f
Wrap binary function values in a node if passing it as a parameter to an interperter defined function. Fixes #1361.
28 lines
344 B
Go
28 lines
344 B
Go
package main
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import (
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"fmt"
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"math"
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)
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type obj struct {
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num float64
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}
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type Fun func(o *obj) (r *obj, err error)
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func numFun(fn func(f float64) float64) Fun {
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return func(o *obj) (*obj, error) {
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return &obj{fn(o.num)}, nil
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}
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}
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func main() {
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f := numFun(math.Cos)
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r, err := f(&obj{})
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fmt.Println(r, err)
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}
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// Output:
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// &{1} <nil>
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