discard """ action: "run" output: '''Received (name: "Foo", species: "Bar")''' """ # issue #7632 import genericstrformat doAssert works(5) == "formatted 5" doAssert fails0(6) == "formatted 6" doAssert fails(7) == "formatted 7" doAssert fails2[0](8) == "formatted 8" # other tests import strformat type Obj = object proc `$`(o: Obj): string = "foobar" # for custom types, formatValue needs to be overloaded. template formatValue(result: var string; value: Obj; specifier: string) = result.formatValue($value, specifier) var o: Obj doAssert fmt"{o}" == "foobar" doAssert fmt"{o:10}" == "foobar " # see issue #7933 var str = "abc" doAssert fmt">7.1 :: {str:>7.1}" == ">7.1 :: a" doAssert fmt">7.2 :: {str:>7.2}" == ">7.2 :: ab" doAssert fmt">7.3 :: {str:>7.3}" == ">7.3 :: abc" doAssert fmt">7.9 :: {str:>7.9}" == ">7.9 :: abc" doAssert fmt">7.0 :: {str:>7.0}" == ">7.0 :: " doAssert fmt" 7.1 :: {str:7.1}" == " 7.1 :: a " doAssert fmt" 7.2 :: {str:7.2}" == " 7.2 :: ab " doAssert fmt" 7.3 :: {str:7.3}" == " 7.3 :: abc " doAssert fmt" 7.9 :: {str:7.9}" == " 7.9 :: abc " doAssert fmt" 7.0 :: {str:7.0}" == " 7.0 :: " doAssert fmt"^7.1 :: {str:^7.1}" == "^7.1 :: a " doAssert fmt"^7.2 :: {str:^7.2}" == "^7.2 :: ab " doAssert fmt"^7.3 :: {str:^7.3}" == "^7.3 :: abc " doAssert fmt"^7.9 :: {str:^7.9}" == "^7.9 :: abc " doAssert fmt"^7.0 :: {str:^7.0}" == "^7.0 :: " str = "äöüe\u0309\u0319o\u0307\u0359" doAssert fmt"^7.1 :: {str:^7.1}" == "^7.1 :: ä " doAssert fmt"^7.2 :: {str:^7.2}" == "^7.2 :: äö " doAssert fmt"^7.3 :: {str:^7.3}" == "^7.3 :: äöü " doAssert fmt"^7.0 :: {str:^7.0}" == "^7.0 :: " # this is actually wrong, but the unicode module has no support for graphemes doAssert fmt"^7.4 :: {str:^7.4}" == "^7.4 :: äöüe " doAssert fmt"^7.9 :: {str:^7.9}" == "^7.9 :: äöüe\u0309\u0319o\u0307\u0359" # see issue #7932 doAssert fmt"{15:08}" == "00000015" # int, works doAssert fmt"{1.5:08}" == "000001.5" # float, works doAssert fmt"{1.5:0>8}" == "000001.5" # workaround using fill char works for positive floats doAssert fmt"{-1.5:0>8}" == "0000-1.5" # even that does not work for negative floats doAssert fmt"{-1.5:08}" == "-00001.5" # works doAssert fmt"{1.5:+08}" == "+00001.5" # works doAssert fmt"{1.5: 08}" == " 00001.5" # works # only add explicitly requested sign if value != -0.0 (neg zero) doAssert fmt"{-0.0:g}" == "-0" doassert fmt"{-0.0:+g}" == "-0" doassert fmt"{-0.0: g}" == "-0" doAssert fmt"{0.0:g}" == "0" doAssert fmt"{0.0:+g}" == "+0" doAssert fmt"{0.0: g}" == " 0" # seq format let data1 = [1'i64, 10000'i64, 10000000'i64] let data2 = [10000000'i64, 100'i64, 1'i64] proc formatValue(result: var string; value: (array|seq|openArray); specifier: string) = result.add "[" for i, it in value: if i != 0: result.add ", " result.formatValue(it, specifier) result.add "]" doAssert fmt"data1: {data1:8} #" == "data1: [ 1, 10000, 10000000] #" doAssert fmt"data2: {data2:8} =" == "data2: [10000000, 100, 1] =" # custom format Value type Vec2[T] = object x,y: T proc formatValue[T](result: var string; value: Vec2[T]; specifier: string) = result.add '[' result.formatValue value.x, specifier result.add ", " result.formatValue value.y, specifier result.add "]" let v1 = Vec2[float32](x:1.0, y: 2.0) let v2 = Vec2[int32](x:1, y: 1337) doAssert fmt"v1: {v1:+08} v2: {v2:>4}" == "v1: [+0000001, +0000002] v2: [ 1, 1337]" # bug #11012 type Animal = object name, species: string AnimalRef = ref Animal proc print_object(animalAddr: AnimalRef) = echo fmt"Received {animalAddr[]}" print_object(AnimalRef(name: "Foo", species: "Bar")) # bug #11723 let pos: Positive = 64 doAssert fmt"{pos:3}" == " 64" doAssert fmt"{pos:3b}" == "1000000" doAssert fmt"{pos:3d}" == " 64" doAssert fmt"{pos:3o}" == "100" doAssert fmt"{pos:3x}" == " 40" doAssert fmt"{pos:3X}" == " 40" let nat: Natural = 64 doAssert fmt"{nat:3}" == " 64" doAssert fmt"{nat:3b}" == "1000000" doAssert fmt"{nat:3d}" == " 64" doAssert fmt"{nat:3o}" == "100" doAssert fmt"{nat:3x}" == " 40" doAssert fmt"{nat:3X}" == " 40" # bug #12612 proc my_proc = const value = "value" const a = &"{value}" assert a == value my_proc() block: template fmt(pattern: string; openCloseChar: char): untyped = fmt(pattern, openCloseChar, openCloseChar) let testInt = 123 testStr = "foobar" testFlt = 3.141592 doAssert ">><<".fmt('<', '>') == "><" doAssert " >> << ".fmt('<', '>') == " > < " doAssert "<<>>".fmt('<', '>') == "<>" doAssert " << >> ".fmt('<', '>') == " < > " doAssert "''".fmt('\'') == "'" doAssert "''''".fmt('\'') == "''" doAssert "'' ''".fmt('\'') == "' '" doAssert "".fmt('<', '>') == "123" doAssert "".fmt('<', '>') == "123" doAssert "'testFlt:1.2f'".fmt('\'') == "3.14" doAssert "".fmt('<', '>') == "123foobar" doAssert """ ""{"123+123"}"" """.fmt('"') == " \"{246}\" " doAssert "(((testFlt:1.2f)))((111))".fmt('(', ')') == "(3.14)(111)" doAssert """(()"foo" & "bar"())""".fmt(')', '(') == "(foobar)" doAssert "{}abc`testStr' `testFlt:1.2f' `1+1' ``".fmt('`', '\'') == "{}abcfoobar 3.14 2 `" doAssert """x = '"foo" & "bar"' y = '123 + 111' z = '3 in {2..7}' """.fmt('\'') == """x = foobar y = 234 z = true """