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GDScript: Use "is" keyword for type checking.

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Replaces the `extends` keyword with `is` in the context of testing for type compatibility.
`extends` is still used for declaring class inheritance.

Example:

```gdscript
extends Node2D

func _input(ev):
	if ev is InputEventKey:
		print("yay, key event")
```
This commit is contained in:
Andreas Haas
2017-05-26 19:45:39 +02:00
parent f89641907f
commit 015d36d18b
7 changed files with 12 additions and 8 deletions
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2
modules/gdscript/gd_compiler.cpp
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@@ -1014,7 +1014,7 @@ int GDCompiler::_parse_expression(CodeGen &codegen, const GDParser::Node *p_expr
}
} break;
case GDParser::OperatorNode::OP_EXTENDS: {
case GDParser::OperatorNode::OP_IS: {
ERR_FAIL_COND_V(on->arguments.size() != 2, false);