From 4742e6e1fdc6cebd3052875748fa10ad44c8a42e Mon Sep 17 00:00:00 2001 From: Timothee Cour Date: Tue, 20 Apr 2021 00:25:28 -0700 Subject: followup #16714: add -d:nimLegacyUnarySlice + changelog (#17794) --- lib/system.nim | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'lib/system.nim') diff --git a/lib/system.nim b/lib/system.nim index d73ef6dbe..41749c27a 100644 --- a/lib/system.nim +++ b/lib/system.nim @@ -510,6 +510,16 @@ proc `..`*[T, U](a: sink T, b: sink U): HSlice[T, U] {.noSideEffect, inline, mag ## echo a[2 .. 3] # @[30, 40] result = HSlice[T, U](a: a, b: b) +when defined(nimLegacyUnarySlice): + proc `..`*[T](b: sink T): HSlice[int, T] + {.noSideEffect, inline, magic: "DotDot", deprecated: "replace `..b` with `0..b`".} = + ## Unary `slice`:idx: operator that constructs an interval `[default(int), b]`. + ## + ## .. code-block:: Nim + ## let a = [10, 20, 30, 40, 50] + ## echo a[.. 2] # @[10, 20, 30] + result = HSlice[int, T](a: 0, b: b) + when defined(hotCodeReloading): {.pragma: hcrInline, inline.} else: -- cgit 1.4.1-2-gfad0