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fix floats slice (#16853)

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* see whether it breaks

* fix

* fix

* minor

* fix

* add enum

* use Ordinal types

* fix tests

* fix

* another style

* fix remainning cases
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flywind 2021-01-29 05:26:36 -06:00 • committed by GitHub
commit 4e1e231e29
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4 changed files with 11 additions and 11 deletions
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12
lib/system.nim
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@ -2498,7 +2498,7 @@ template `^^`(s, i: untyped): untyped =
template `[]`*(s: string; i: int): char = arrGet(s, i)
template `[]=`*(s: string; i: int; val: char) = arrPut(s, i, val)
proc `[]`*[T, U](s: string, x: HSlice[T, U]): string {.inline.} =
proc `[]`*[T, U: Ordinal](s: string, x: HSlice[T, U]): string {.inline.} =
## Slice operation for strings.
## Returns the inclusive range `[s[x.a], s[x.b]]`:
##
@ -2510,7 +2510,7 @@ proc `[]`*[T, U](s: string, x: HSlice[T, U]): string {.inline.} =
result = newString(L)
for i in 0 ..< L: result[i] = s[i + a]
proc `[]=`*[T, U](s: var string, x: HSlice[T, U], b: string) =
proc `[]=`*[T, U: Ordinal](s: var string, x: HSlice[T, U], b: string) =
## Slice assignment for strings.
##
## If ``b.len`` is not exactly the number of elements that are referred to
@ -2528,7 +2528,7 @@ proc `[]=`*[T, U](s: var string, x: HSlice[T, U], b: string) =
else:
spliceImpl(s, a, L, b)
proc `[]`*[Idx, T, U, V](a: array[Idx, T], x: HSlice[U, V]): seq[T] =
proc `[]`*[Idx, T; U, V: Ordinal](a: array[Idx, T], x: HSlice[U, V]): seq[T] =
## Slice operation for arrays.
## Returns the inclusive range `[a[x.a], a[x.b]]`:
##
@ -2540,7 +2540,7 @@ proc `[]`*[Idx, T, U, V](a: array[Idx, T], x: HSlice[U, V]): seq[T] =
result = newSeq[T](L)
for i in 0..<L: result[i] = a[Idx(i + xa)]
proc `[]=`*[Idx, T, U, V](a: var array[Idx, T], x: HSlice[U, V], b: openArray[T]) =
proc `[]=`*[Idx, T; U, V: Ordinal](a: var array[Idx, T], x: HSlice[U, V], b: openArray[T]) =
## Slice assignment for arrays.
##
## .. code-block:: Nim
@ -2554,7 +2554,7 @@ proc `[]=`*[Idx, T, U, V](a: var array[Idx, T], x: HSlice[U, V], b: openArray[T]
else:
sysFatal(RangeDefect, "different lengths for slice assignment")
proc `[]`*[T, U, V](s: openArray[T], x: HSlice[U, V]): seq[T] =
proc `[]`*[T; U, V: Ordinal](s: openArray[T], x: HSlice[U, V]): seq[T] =
## Slice operation for sequences.
## Returns the inclusive range `[s[x.a], s[x.b]]`:
##
@ -2566,7 +2566,7 @@ proc `[]`*[T, U, V](s: openArray[T], x: HSlice[U, V]): seq[T] =
newSeq(result, L)
for i in 0 ..< L: result[i] = s[i + a]
proc `[]=`*[T, U, V](s: var seq[T], x: HSlice[U, V], b: openArray[T]) =
proc `[]=`*[T; U, V: Ordinal](s: var seq[T], x: HSlice[U, V], b: openArray[T]) =
## Slice assignment for sequences.
##
## If ``b.len`` is not exactly the number of elements that are referred to