LanguageFeatures/Patterns/variable_A02_t01

[alexmarkov]

This test tries to match a map with 2 entries {1: 3, 3: 4} against the pattern {1: var a} which can only match maps with 1 entry:

co19/LanguageFeatures/Patterns/variable_A02_t01.dart

Line 212 in 780034a

Expect.equals("{1: 3}", testMap1({1: 3, 3: 4}));

co19/LanguageFeatures/Patterns/variable_A02_t01.dart

Lines 106 to 119 in 780034a

	String testMap1(Map m) {
	switch (m) {
	case {1: var a}:
	a.isOdd;
	Expect.throws(() {a.whatever;});
	return "{1: $a}";
	case {2: final b}:
	b.substring(0);
	Expect.throws(() {b.whatever;});
	return "{2: $b}";
	default:
	return "default";
	}
	}