diff options
Diffstat (limited to 'doc/classes/int.xml')
| -rw-r--r-- | doc/classes/int.xml | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/doc/classes/int.xml b/doc/classes/int.xml index 5ac9f8405a..b0d0a4bd7b 100644 --- a/doc/classes/int.xml +++ b/doc/classes/int.xml @@ -7,18 +7,34 @@ Signed 64-bit integer type. 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. [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. - [codeblock] + [codeblocks] + [gdscript] var my_variant = 0 # int, value 0. my_variant += 4.2 # float, value 4.2. var my_int: int = 1 # int, value 1. my_int = 4.2 # int, value 4, the right value is implicitly cast to int. my_int = int("6.7") # int, value 6, the String is explicitly cast with int. - var max_int = 9223372036854775807 print(max_int) # 9223372036854775807, OK. max_int += 1 print(max_int) # -9223372036854775808, we overflowed and wrapped around. - [/codeblock] + [/gdscript] + [csharp] + int myInt = (int)"6.7".ToFloat(); // int, value 6, the String is explicitly cast with int. + // We have to use `long` here, because GDSript's `int` + // is 64 bits long while C#'s `int` is only 32 bits. + long maxInt = 9223372036854775807; + GD.Print(maxInt); // 9223372036854775807, OK. + maxInt++; + GD.Print(maxInt); // -9223372036854775808, we overflowed and wrapped around. + + // Alternatively, if we used C#'s 32-bit `int` type, the maximum value is much smaller: + int halfInt = 2147483647; + GD.Print(halfInt); // 2147483647, OK. + halfInt++; + GD.Print(halfInt); // -2147483648, we overflowed and wrapped around. + [/csharp] + [/codeblocks] </description> <tutorials> </tutorials> |