| | 1 | = Data Types = |
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| | 2 | |
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| | 3 | ''Part of'' TutorialFundamentals |
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| | 4 | |
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| | 5 | == Description == |
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| | 6 | |
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| | 7 | Shows how the `sizeof`, `min`, and `max` properties can reveal the size and possible minimum/maximum values of the data types. |
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| | 8 | |
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| | 9 | |
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| | 10 | == Example == |
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| | 11 | |
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| | 12 | {{{ |
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| | 13 | #!d |
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| | 14 | import std.stdio; |
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| | 15 | |
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| | 16 | void main() |
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| | 17 | { |
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| | 18 | // Print out information about integer types |
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| | 19 | writefln("(%d) bool min: %20d max: %20d", bool.sizeof, bool.min, bool.max); |
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| | 20 | writefln("(%d) ubyte min: %20d max: %20d", ubyte.sizeof, ubyte.min, ubyte.max); |
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| | 21 | writefln("(%d) ushort min: %20d max: %20d", ushort.sizeof, ushort.min, ushort.max); |
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| | 22 | writefln("(%d) uint min: %20d max: %20d", uint.sizeof, uint.min, uint.max); |
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| | 23 | writefln("(%d) ulong min: %20d max: %20d\n", ulong.sizeof, ulong.min, ulong.max); |
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| | 24 | |
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| | 25 | writefln("(%d) byte min: %20d max: %20d", byte.sizeof, byte.min, byte.max); |
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| | 26 | writefln("(%d) short min: %20d max: %20d", short.sizeof, short.min, short.max); |
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| | 27 | writefln("(%d) int min: %20d max: %20d", int.sizeof, int.min, int.max); |
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| | 28 | writefln("(%d) long min: %20d max: %20d\n", long.sizeof, long.min, long.max); |
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| | 29 | |
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| | 30 | // Show information about floating-point types... |
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| | 31 | writefln("(%d) float\t(%d) double\t(%d) real", float.sizeof, double.sizeof, real.sizeof); |
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| | 32 | |
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| | 33 | // Show information about character types... |
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| | 34 | writefln("(%d) char\t(%d) wchar\t(%d) dchar", char.sizeof, wchar.sizeof, dchar.sizeof); |
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| | 35 | } |
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| | 36 | }}} |
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| | 37 | |
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| | 38 | == Output == |
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| | 39 | |
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| | 40 | {{{ |
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| | 41 | (1) bool min: 0 max: 1 |
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| | 42 | (1) ubyte min: 0 max: 255 |
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| | 43 | (2) ushort min: 0 max: 65535 |
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| | 44 | (4) uint min: 0 max: 4294967295 |
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| | 45 | (8) ulong min: 0 max: 18446744073709551615 |
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| | 46 | |
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| | 47 | (1) byte min: -128 max: 127 |
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| | 48 | (2) short min: -32768 max: 32767 |
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| | 49 | (4) int min: -2147483648 max: 2147483647 |
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| | 50 | (8) long min: -9223372036854775808 max: 9223372036854775807 |
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| | 51 | |
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| | 52 | (4) float (8) double (10) real |
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| | 53 | (1) char (2) wchar (4) dchar |
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| | 54 | }}} |
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| | 55 | |
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| | 56 | == More Information == |
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| | 57 | |
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| | 58 | For more information refer to the official list of D2 types in the [http://www.digitalmars.com/d/2.0/type.html D2 Specification]. |
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| | 59 | |
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| | 60 | |
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| | 61 | == Source == |
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| | 62 | |
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| | 63 | Based on [http://jcc_7.tripod.com/d/tutor/types.html types.html] by jcc7. |
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