github.com/solo-io/cue@v0.4.7/doc/tutorial/basics/2_types/75_bounddef.txt (about) 1 cue eval -ic bound.cue 2 cmp stdout expect-stdout-cue 3 4 -- frontmatter.toml -- 5 title = "Predefined Bounds" 6 description = "" 7 8 -- text.md -- 9 CUE numbers have arbitrary precision. 10 Also there is no unsigned integer type. 11 12 CUE defines the following predefined identifiers to restrict the bounds of 13 integers to common values. 14 15 ``` 16 uint >=0 17 uint8 >=0 & <=255 18 int8 >=-128 & <=127 19 uint16 >=0 & <=65536 20 int16 >=-32_768 & <=32_767 21 rune >=0 & <=0x10FFFF 22 uint32 >=0 & <=4_294_967_296 23 int32 >=-2_147_483_648 & <=2_147_483_647 24 uint64 >=0 & <=18_446_744_073_709_551_615 25 int64 >=-9_223_372_036_854_775_808 & <=9_223_372_036_854_775_807 26 int128 >=-170_141_183_460_469_231_731_687_303_715_884_105_728 & 27 <=170_141_183_460_469_231_731_687_303_715_884_105_727 28 uint128 >=0 & <=340_282_366_920_938_463_463_374_607_431_768_211_455 29 ``` 30 31 -- bound.cue -- 32 #positive: uint 33 #byte: uint8 34 #word: int32 35 36 a: #positive & -1 37 b: #byte & 128 38 c: #word & 2_000_000_000 39 40 -- expect-stdout-cue -- 41 a: _|_ // invalid value -1 (out of bound int & >=0) 42 b: 128 43 c: 2000000000