go: a parameter named "_" results in invalid go code

[eladb]

🐛 Bug Report

Affected Languages

• GoLang
• TypeScript or Javascript
• Python
• Java
• .NET (C#, F#, ...)

General Information

• JSII Version: 1.24.0
• Platform: any

What is the problem?

export class Foo {
  public bar(_: number) {
    return;
  }
}

Output:

./playground.go:38:17: cannot use _ as value

Verbose Log

// duplicate-names
package duplicatenames

import (
	_jsii_ "github.com/aws/jsii-runtime-go"
	_init_ "github.com/foo/bar/duplicatenames/jsii"
)

type Foo interface {
	Bar(_ string)
}

// The jsii proxy struct for Foo
type foo_jsiiProxy struct {
	_ byte // padding
}

func NewFoo() Foo {
	_init_.Initialize()

	f := foo_jsiiProxy{}

	_jsii_.Create(
		"duplicate-names.Foo",
		nil /* no parameters */,
		[]_jsii_.FQN{},
		nil, // no overrides
		&f,
	)

	return &f
}

func (f *foo_jsiiProxy) Bar(_ string) {
	_jsii_.InvokeVoid(
		f,
		"bar",
		[]interface{}{_},
	)
}

[eladb]

Implementation: mangle the parameter name in the go code generation

[github-actions]

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