diff options
Diffstat (limited to 'lib/system/helpers.nim')
| -rw-r--r-- | lib/system/helpers.nim | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/lib/system/helpers.nim b/lib/system/helpers.nim index 7b2b32679..a7e47915e 100644 --- a/lib/system/helpers.nim +++ b/lib/system/helpers.nim @@ -6,6 +6,23 @@ proc lineInfoToString(file: string, line, column: int): string = file & "(" & $line & ", " & $column & ")" -proc `$`(info: type(instantiationInfo(0))): string = +type InstantiationInfo = tuple[filename: string, line: int, column: int] + +proc `$`(info: InstantiationInfo): string = # The +1 is needed here + # instead of overriding `$` (and changing its meaning), consider explicit name. lineInfoToString(info.fileName, info.line, info.column+1) + +proc isNamedTuple(T: type): bool = + ## return true for named tuples, false for any other type. + when T isnot tuple: result = false + else: + var t: T + for name, _ in t.fieldPairs: + when name == "Field0": + return compiles(t.Field0) + else: + return true + # empty tuple should be un-named, + # see https://github.com/nim-lang/Nim/issues/8861#issue-356631191 + return false |