57 lines
2.3 KiB
XML
57 lines
2.3 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="int" version="3.4">
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<brief_description>
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Integer built-in type.
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</brief_description>
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<description>
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Signed 64-bit integer type.
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It can take values in the interval [code][-2^63, 2^63 - 1][/code], i.e. [code][-9223372036854775808, 9223372036854775807][/code]. Exceeding those bounds will wrap around.
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[int] is a [Variant] type, and will thus be used when assigning an integer value to a [Variant]. It can also be enforced with the [code]: int[/code] type hint.
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[codeblock]
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var my_variant = 0 # int, value 0.
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my_variant += 4.2 # float, value 4.2.
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var my_int: int = 1 # int, value 1.
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my_int = 4.2 # int, value 4, the right value is implicitly cast to int.
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my_int = int("6.7") # int, value 6, the String is explicitly cast with int.
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var max_int = 9223372036854775807
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print(max_int) # 9223372036854775807, OK.
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max_int += 1
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print(max_int) # -9223372036854775808, we overflowed and wrapped around.
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[/codeblock]
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</description>
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<tutorials>
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</tutorials>
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<methods>
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<method name="int">
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<return type="int">
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</return>
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<argument index="0" name="from" type="bool">
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</argument>
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<description>
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Cast a [bool] value to an integer value, [code]int(true)[/code] will be equals to 1 and [code]int(false)[/code] will be equals to 0.
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</description>
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</method>
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<method name="int">
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<return type="int">
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</return>
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<argument index="0" name="from" type="float">
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</argument>
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<description>
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Cast a float value to an integer value, this method simply removes the number fractions (i.e. rounds [code]from[/code] towards zero), so for example [code]int(2.7)[/code] will be equals to 2, [code]int(0.1)[/code] will be equals to 0 and [code]int(-2.7)[/code] will be equals to -2. This operation is also called truncation.
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</description>
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</method>
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<method name="int">
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<return type="int">
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</return>
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<argument index="0" name="from" type="String">
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</argument>
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<description>
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Cast a [String] value to an integer value, this method is an integer parser from a string, so calling this method with an invalid integer string will return 0, a valid string will be something like [code]'1.7'[/code]. This method will ignore all non-number characters, so calling [code]int('1e3')[/code] will return 13.
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</description>
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</method>
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</methods>
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<constants>
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</constants>
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</class>
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