Change to options module

src/nre.nim

@@ -5,7 +5,7 @@ import unsigned
 from future import lc, `[]`
 from strutils import toLower, `%`
 from math import ceil
-import optional_t
+import options
 from unicode import runeLenAt
 
 
@@ -115,9 +115,7 @@ type
 
   RegexMatch* = object
     ## Usually seen as Option[RegexMatch], it represents the result of an
-    ## execution. On failure, it is ``None[RegexMatch]``, but if you want
+    ## execution. On failure, it is none, on success, it is some.
-    ## automated derefrence, import ``optional_t.nonstrict``. The available
-    ## fields are as follows:
     ##
     ## ``pattern: Regex``
     ##     the pattern that is being matched
@@ -235,15 +233,15 @@ proc `[]`*(pattern: CaptureBounds, i: int): Option[Slice[int]] =
   let pattern = RegexMatch(pattern)
   if pattern.pcreMatchBounds[i + 1].a != -1:
     let bounds = pattern.pcreMatchBounds[i + 1]
-    return Some(int(bounds.a) .. int(bounds.b-1))
+    return some(int(bounds.a) .. int(bounds.b-1))
   else:
-    return None[Slice[int]]()
+    return none(Slice[int])
 
 proc `[]`*(pattern: Captures, i: int): string =
   let pattern = RegexMatch(pattern)
   let bounds = pattern.captureBounds[i]
 
-  if bounds:
+  if bounds.isSome:
     let bounds = bounds.get
     return pattern.str.substr(bounds.a, bounds.b)
   else:
@@ -275,7 +273,7 @@ proc toTable*(pattern: Captures, default: string = nil): Table[string, string] =
   result = initTable[string, string]()
   toTableImpl(nextVal == nil)
 
-proc toTable*(pattern: CaptureBounds, default = None[Slice[int]]()):
+proc toTable*(pattern: CaptureBounds, default = none(Slice[int])):
     Table[string, Option[Slice[int]]] =
   result = initTable[string, Option[Slice[int]]]()
   toTableImpl(nextVal.isNone)
@@ -288,13 +286,13 @@ template itemsImpl(cond: bool): stmt {.immediate, dirty.} =
     else:
       yield nextVal
 
-iterator items*(pattern: CaptureBounds, default = None[Slice[int]]()): Option[Slice[int]] =
+iterator items*(pattern: CaptureBounds, default = none(Slice[int])): Option[Slice[int]] =
   itemsImpl(nextVal.isNone)
 
 iterator items*(pattern: Captures, default: string = nil): string =
   itemsImpl(nextVal == nil)
 
-proc toSeq*(pattern: CaptureBounds, default = None[Slice[int]]()): seq[Option[Slice[int]]] =
+proc toSeq*(pattern: CaptureBounds, default = none(Slice[int])): seq[Option[Slice[int]]] =
   accumulateResult(pattern.items(default))
 
 proc toSeq*(pattern: Captures, default: string = nil): seq[string] =
@@ -454,11 +452,11 @@ proc matchImpl(str: string, pattern: Regex, start, endpos: int, flags: int): Opt
                           cast[ptr cint](addr myResult.pcreMatchBounds[0]),
                           cint(vecsize))
   if execRet >= 0:
-    return Some(myResult)
+    return some(myResult)
 
   case execRet:
     of pcre.ERROR_NOMATCH:
-      return None[RegexMatch]()
+      return none(RegexMatch)
     of pcre.ERROR_NULL:
       raise newException(AccessViolationError, "Expected non-null parameters")
     of pcre.ERROR_BADOPTION:
@@ -497,7 +495,7 @@ iterator findIter*(str: string, pattern: Regex, start = 0, endpos = int.high): R
   while true:
     var flags = 0
 
-    if match and
+    if match.isSome and
        match.get.matchBounds.a > match.get.matchBounds.b:
       # 0-len match
       flags = pcre.NOTEMPTY_ATSTART

test/captures.nim

@@ -1,4 +1,4 @@
-import unittest, optional_t.nonstrict
+import unittest, optional_nonstrict
 include nre
 
 suite "captures":
@@ -31,8 +31,8 @@ suite "captures":
 
   test "named capture bounds":
     let ex1 = "foo".find(re("(?<foo>foo)(?<bar>bar)?"))
-    check(ex1.captureBounds["foo"] == Some(0..2))
+    check(ex1.captureBounds["foo"] == some(0..2))
-    check(ex1.captureBounds["bar"] == None[Slice[int]]())
+    check(ex1.captureBounds["bar"] == none(Slice[int]))
 
   test "capture count":
     let ex1 = re("(?<foo>foo)(?<bar>bar)?")
@@ -42,7 +42,7 @@ suite "captures":
   test "named capture table":
     let ex1 = "foo".find(re("(?<foo>foo)(?<bar>bar)?"))
     check(ex1.captures.toTable == {"foo" : "foo", "bar" : nil}.toTable())
-    check(ex1.captureBounds.toTable == {"foo" : Some(0..2), "bar" : None[Slice[int]]()}.toTable())
+    check(ex1.captureBounds.toTable == {"foo" : some(0..2), "bar" : none(Slice[int])}.toTable())
     check(ex1.captures.toTable("") == {"foo" : "foo", "bar" : ""}.toTable())
 
     let ex2 = "foobar".find(re("(?<foo>foo)(?<bar>bar)?"))
@@ -51,7 +51,7 @@ suite "captures":
   test "capture sequence":
     let ex1 = "foo".find(re("(?<foo>foo)(?<bar>bar)?"))
     check(ex1.captures.toSeq == @["foo", nil])
-    check(ex1.captureBounds.toSeq == @[Some(0..2), None[Slice[int]]()])
+    check(ex1.captureBounds.toSeq == @[some(0..2), none(Slice[int])])
     check(ex1.captures.toSeq("") == @["foo", ""])
 
     let ex2 = "foobar".find(re("(?<foo>foo)(?<bar>bar)?"))

test/find.nim

@@ -1,4 +1,4 @@
-import unittest, sequtils, nre, optional_t.nonstrict
+import unittest, sequtils, nre, optional_nonstrict
 
 suite "find":
   test "find text":

test/match.nim

@@ -1,10 +1,10 @@
-include nre, unittest, optional_t.nonstrict
+include nre, unittest, optional_nonstrict
 
 suite "match":
   test "upper bound must be inclusive":
-    check("abc".match(re"abc", endpos = -1) == None[RegexMatch]())
+    check("abc".match(re"abc", endpos = -1) == none(RegexMatch))
-    check("abc".match(re"abc", endpos = 1) == None[RegexMatch]())
+    check("abc".match(re"abc", endpos = 1) == none(RegexMatch))
-    check("abc".match(re"abc", endpos = 2) != None[RegexMatch]())
+    check("abc".match(re"abc", endpos = 2) != none(RegexMatch))
 
   test "match examples":
     check("abc".match(re"(\w)").captures[0] == "a")

test/misc.nim

@@ -1,4 +1,4 @@
-import unittest, nre, strutils, optional_t.nonstrict
+import unittest, nre, strutils, optional_nonstrict
 
 suite "Misc tests":
   test "unicode":

test/optional_nonstrict.nim

@@ -0,0 +1,3 @@
+import options
+converter option2val*[T](val: Option[T]): T =
+  return val.get()