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| author | Timothee Cour <timothee.cour2@gmail.com> | 2021-04-13 00:33:28 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-13 09:33:28 +0200 |
| commit | e92c78a9ac0ce0f7a9b2a0fada0c2c2557c40ae2 (patch) | |
| tree | f0c1b1020357ea975e4be94e995b599b72a37df7 | |
| parent | 4f5709e32648435ff253b056ac7066240c39d2b7 (diff) | |
| download | Nim-e92c78a9ac0ce0f7a9b2a0fada0c2c2557c40ae2.tar.gz | |
add number literal jsbigints.big (#17707)
| -rw-r--r-- | lib/std/jsbigints.nim | 20 | ||||
| -rw-r--r-- | tests/stdlib/tjsbigints.nim | 6 |
2 files changed, 16 insertions, 10 deletions
diff --git a/lib/std/jsbigints.nim b/lib/std/jsbigints.nim index 96ba90649..27df8fdad 100644 --- a/lib/std/jsbigints.nim +++ b/lib/std/jsbigints.nim @@ -13,16 +13,22 @@ func big*(integer: SomeInteger): JsBigInt {.importjs: "BigInt(#)".} = doAssert 0b1111100111.big == 0o1747.big and 0o1747.big == 999.big when nimvm: doAssert false, "JsBigInt can not be used at compile-time nor static context" else: discard -func big*(integer: cstring): JsBigInt {.importjs: "BigInt(#)".} = +func `'big`*(num: cstring): JsBigInt {.importjs: "BigInt(#)".} = ## Constructor for `JsBigInt`. runnableExamples: - doAssert big"-1" == big"1" - big"2" + doAssert -1'big == 1'big - 2'big # supports decimal, binary, octal, hex: - doAssert big"12" == 12.big - doAssert big"0b101" == 0b101.big - doAssert big"0o701" == 0o701.big - doAssert big"0xdeadbeaf" == 0xdeadbeaf.big - doAssert big"0xffffffffffffffff" == (1.big shl 64.big) - 1.big + doAssert -12'big == big"-12" + doAssert 12'big == 12.big + doAssert 0b101'big == 0b101.big + doAssert 0o701'big == 0o701.big + doAssert 0xdeadbeaf'big == 0xdeadbeaf.big + doAssert 0xffffffffffffffff'big == (1'big shl 64'big) - 1'big + doAssert not compiles(static(12'big)) + when nimvm: doAssert false, "JsBigInt can not be used at compile-time nor static context" else: discard + +func big*(integer: cstring): JsBigInt {.importjs: "BigInt(#)".} = + ## Alias for `'big` when nimvm: doAssert false, "JsBigInt can not be used at compile-time nor static context" else: discard func toCstring*(this: JsBigInt; radix: 2..36): cstring {.importjs: "#.toString(#)".} = diff --git a/tests/stdlib/tjsbigints.nim b/tests/stdlib/tjsbigints.nim index 34c5ddfbf..fcf699c67 100644 --- a/tests/stdlib/tjsbigints.nim +++ b/tests/stdlib/tjsbigints.nim @@ -26,7 +26,7 @@ doAssert big1.toCstring(10) == "2147483647".cstring doAssert big2 ** big3 == big(443556) var huge = big"999999999999999999999999999999999999999999999999999999999999999999999999999999999999999" huge.inc -huge = huge + big"-999999999999999999999999999999999999999999999999999999999999999999999999999999999999999" +huge = huge + -999999999999999999999999999999999999999999999999999999999999999999999999999999999999999'big doAssert huge == big"1" var list: seq[JsBigInt] for i in big"0" .. big"5": @@ -40,7 +40,7 @@ for i in big"0" ..< big"5": doAssert list == @[big"0", big"1", big"2", big"3", big"4"] block: - let b = big"2" - doAssert -b ** big"3" == big"-8" + let b = 2'big + doAssert -b ** 3'big == -8'big doAssert -b ** big"2" == big"4" # not -4 because of precedence doAssert -big"3" == big"-3" |