| 1 |
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| 2 |
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| 3 | #### bool() conversion
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| 4 | echo "$[bool(1234)]"
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| 5 | echo "$[bool(0)]"
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| 6 | echo "$[bool('foo')]"
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| 7 | echo "$[bool(true)]"
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| 8 | echo "$[bool(1.234)]"
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| 9 | echo "$[bool([])]"
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| 10 | echo "$[bool({})]"
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| 11 | echo "$[bool(null)]"
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| 12 | echo "$[bool(len)]"
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| 13 | echo "$[bool('foo'->startsWith)]"
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| 14 | echo "$[bool(1..3)]"
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| 15 | ## STDOUT:
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| 16 | true
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| 17 | false
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| 18 | true
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| 19 | true
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| 20 | true
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| 21 | false
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| 22 | false
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| 23 | false
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| 24 | true
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| 25 | true
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| 26 | true
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| 27 | ## END
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| 28 |
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| 29 | #### bool() more
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| 30 | var a = bool( :|| )
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| 31 | var b = bool( :|foo| )
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| 32 | write $a $b
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| 33 | ## STDOUT:
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| 34 | false
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| 35 | true
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| 36 | ## END
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| 37 |
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| 38 |
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| 39 | #### int() conversion
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| 40 | echo "$[int(1234)]"
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| 41 | echo "$[int('1234')]"
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| 42 | echo "$[int(1.234)]"
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| 43 | ## STDOUT:
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| 44 | 1234
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| 45 | 1234
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| 46 | 1
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| 47 | ## END
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| 48 |
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| 49 | #### int() more
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| 50 | var a = int("3")
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| 51 | var b = int("-35")
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| 52 | write $a $b
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| 53 |
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| 54 | var c = int("bad")
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| 55 | echo 'should not get here'
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| 56 |
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| 57 | ## status: 3
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| 58 | ## STDOUT:
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| 59 | 3
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| 60 | -35
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| 61 | ## END
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| 62 |
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| 63 | #### float() conversion
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| 64 | echo "$[float(1234)]"
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| 65 | echo "$[float('1.234')]"
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| 66 | echo "$[float(2.345)]"
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| 67 | ## STDOUT:
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| 68 | 1234.0
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| 69 | 1.234
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| 70 | 2.345
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| 71 | ## END
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| 72 |
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| 73 | #### float() overflow / underflow
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| 74 |
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| 75 | var a = float("1.2")
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| 76 | var b = float("3.4")
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| 77 |
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| 78 | var c = float("42.1e500")
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| 79 | var d = float("-42.1e500")
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| 80 |
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| 81 | write $a $b $c $d
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| 82 | ## STDOUT:
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| 83 | 1.2
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| 84 | 3.4
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| 85 | inf
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| 86 | -inf
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| 87 | ## END
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| 88 |
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| 89 | #### str() conversion
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| 90 | echo "$[str(1234)]"
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| 91 | echo "$[str(1.234)]"
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| 92 | echo "$[str('foo')]"
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| 93 | ## STDOUT:
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| 94 | 1234
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| 95 | 1.234
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| 96 | foo
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| 97 | ## END
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| 98 |
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| 99 | #### dict() converts from BashAssoc to Dict
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| 100 | declare -A foo
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| 101 | foo=([a]=1 [b]=2 [c]=3)
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| 102 |
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| 103 | json write (type(foo))
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| 104 | json write (dict(foo))
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| 105 | ## STDOUT:
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| 106 | "BashAssoc"
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| 107 | {
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| 108 | "a": "1",
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| 109 | "b": "2",
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| 110 | "c": "3"
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| 111 | }
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| 112 | ## END
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| 113 |
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| 114 | #### dict() does shallow copy
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| 115 | var d = {'a': 1}
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| 116 | var d2 = d
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| 117 | setvar d2['b'] = 2
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| 118 | echo $['b' in d] # d2 should be an alias for d
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| 119 |
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| 120 | var d3 = dict(d)
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| 121 | setvar d3['c'] = 3
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| 122 |
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| 123 | # d3 should NOT be an alias
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| 124 | echo $['c' in d]
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| 125 | echo $['c' in d3]
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| 126 | ## STDOUT:
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| 127 | true
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| 128 | false
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| 129 | true
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| 130 | ## END
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| 131 |
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| 132 | #### list() does shallow copy
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| 133 | var l = [1]
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| 134 | var l2 = l
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| 135 | call l2->append(2)
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| 136 | echo $[len(l)] # d2 should be an alias for d
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| 137 |
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| 138 | var l3 = list(l)
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| 139 | call l3->append(3)
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| 140 |
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| 141 | # l3 should NOT be an alias
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| 142 | echo $[len(l)]
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| 143 | echo $[len(l3)]
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| 144 | ## STDOUT:
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| 145 | 2
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| 146 | 2
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| 147 | 3
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| 148 | ## END
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| 149 |
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| 150 | #### list() from Dict
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| 151 | shopt -s ysh:upgrade
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| 152 |
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| 153 | var a = list({'a': 1, 'foo': 'bar'})
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| 154 | write @a
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| 155 | ## STDOUT:
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| 156 | a
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| 157 | foo
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| 158 | ## END
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| 159 |
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| 160 |
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| 161 | #### list() from range
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| 162 | shopt -s ysh:upgrade
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| 163 |
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| 164 | var mylist = list(0..3)
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| 165 | write @mylist
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| 166 | ## STDOUT:
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| 167 | 0
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| 168 | 1
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| 169 | 2
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| 170 | ## END
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| 171 |
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