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index(n, stepsFrom: i)

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M-x findr-query-replace

\<advance(\([^:]+?\),\([
]+\)by: *\([^(),]*\|[^(),]+([^()]*)[^(),]*\)\(,\(?:[
]+\)limit: *\(?:[^()]*\|[^()]+([^()]*)[^()]*\)\)?)

index(\3,\2stepsFrom: \1\4)
This commit is contained in:
Dave Abrahams
2016-03-25 17:54:39 -07:00
parent 11259d1d14
commit 01127b32d5
31 changed files with 157 additions and 157 deletions
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10
stdlib/public/core/Collection.swift
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@@ -613,7 +613,7 @@ extension Collection {
@warn_unused_result
public func dropFirst(n: Int) -> SubSequence {
_precondition(n >= 0, "Can't drop a negative number of elements from a collection")
let start = advance(startIndex, by: numericCast(n), limit: endIndex)
let start = index(numericCast(n), stepsFrom: startIndex, limit: endIndex)
return self[start..<endIndex]
}
@@ -626,7 +626,7 @@ extension Collection {
_precondition(
n >= 0, "Can't drop a negative number of elements from a collection")
let amount = Swift.max(0, numericCast(count) - n)
let end = advance(startIndex, by: numericCast(amount), limit: endIndex)
let end = index(numericCast(amount), stepsFrom: startIndex, limit: endIndex)
return self[startIndex..<end]
}
@@ -643,7 +643,7 @@ extension Collection {
_precondition(
maxLength >= 0,
"Can't take a prefix of negative length from a collection")
let end = advance(startIndex, by: numericCast(maxLength), limit: endIndex)
let end = index(numericCast(maxLength), stepsFrom: startIndex, limit: endIndex)
return self[startIndex..<end]
}
@@ -661,7 +661,7 @@ extension Collection {
maxLength >= 0,
"Can't take a suffix of negative length from a collection")
let amount = Swift.max(0, numericCast(count) - maxLength)
let start = advance(startIndex, by: numericCast(amount), limit: endIndex)
let start = index(numericCast(amount), stepsFrom: startIndex, limit: endIndex)
return self[start..<endIndex]
}
@@ -808,7 +808,7 @@ extension Collection where SubSequence == Self {
_precondition(n >= 0, "number of elements to remove should be non-negative")
_precondition(count >= numericCast(n),
"can't remove more items from a collection than it contains")
self = self[advance(startIndex, by: numericCast(n))..<endIndex]
self = self[index(numericCast(n), stepsFrom: startIndex)..<endIndex]
}
}