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Add a fromString static method on Num that converts strings to numbers.

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This commit is contained in:
Gavin Schulz
2015-02-22 20:06:17 -08:00
parent a9d9362e29
commit 03a5b96040
4 changed files with 34 additions and 2 deletions
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test/number/from_string.wren
+8
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@@ -0,0 +1,8 @@
IO.print(Num.fromString("123") == 123) // expect: true
IO.print(Num.fromString("-123") == -123) // expect: true
IO.print(Num.fromString("-0") == -0) // expect: true
IO.print(Num.fromString("12.34") == 12.34) // expect: true
IO.print(Num.fromString("-0.0001") == -0.0001) // expect: true
// Test a non-number literal and ensure it returns null.
IO.print(Num.fromString("test1") == null) // expect: true
test/number/literals.wren
+1 -1
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@@ -6,5 +6,5 @@ IO.print(-0) // expect: -0
IO.print(123.456) // expect: 123.456
IO.print(-0.001) // expect: -0.001
// TODO: Hex? Scientific notation?
// TODO: Scientific notation?
// TODO: Literals at and beyond numeric limits.