sequtils related changes

tests/closure/tclosure4.nim

@@ -1,5 +1,5 @@
 
-import json, tables
+import json, tables, sequtils
 
 proc run(json_params: TTable) =
   let json_elems = json_params["files"].elems

tests/collections/tapply.nim

@@ -0,0 +1,7 @@
+import sequtils
+
+var x = @[1, 2, 3]
+x.apply(proc(x: var int) = x = x+10)
+x.apply(proc(x: int): int = x+100)
+x.applyIt(it+5000)
+doAssert x == @[5111, 5112, 5113]

tests/collections/tmapit.nim

@@ -0,0 +1,28 @@
+import sequtils
+
+var x = @[1, 2, 3]
+# This mapIt call will run with preallocation because ``len`` is available.
+var y = x.mapIt($(it+10))
+doAssert y == @["11", "12", "13"]
+
+type structureWithoutLen = object
+  a: array[5, int]
+
+iterator items(s: structureWithoutLen): int {.inline.} =
+  yield s.a[0]
+  yield s.a[1]
+  yield s.a[2]
+  yield s.a[3]
+  yield s.a[4]
+
+var st: structureWithoutLen
+st.a[0] = 0
+st.a[1] = 1
+st.a[2] = 2
+st.a[3] = 3
+st.a[4] = 4
+
+# this will run without preallocating the result
+# since ``len`` is not available
+var r = st.mapIt($(it+10))
+doAssert r == @["10", "11", "12", "13", "14"]

tests/generics/tinferredgenericprocs.nim

@@ -5,6 +5,7 @@ discard """
 3'''
 """
 
+import sequtils
 # https://github.com/Araq/Nim/issues/797
 proc foo[T](s:T):string = $s
 

tests/generics/tmap_auto.nim

@@ -1,4 +1,4 @@
-import future
+import future, sequtils
 
 let x = map(@[1, 2, 3], x => x+10)
 assert x == @[11, 12, 13]

tests/overload/toverprc.nim

@@ -5,7 +5,7 @@ yay'''
 
 # Test overloading of procs when used as function pointers
 
-import strutils
+import strutils, sequtils
 
 proc parseInt(x: float): int {.noSideEffect.} = discard
 proc parseInt(x: bool): int {.noSideEffect.} = discard

tests/parser/tcommand_as_expr.nim

@@ -5,6 +5,7 @@ discard """
 77'''
 """
 #import math
+import sequtils
 
 proc optarg(x:int, y:int = 0):int = x + 3 * y
 proc singlearg(x:int):int = 20*x

tests/template/twrongmapit.nim

@@ -27,6 +27,6 @@ when ATTEMPT == 0:
 # bug #1543
 import sequtils
 
-(var i = @[""];i).mapIt(it)
+(var i = @[""];i).applyIt(it)
 # now works:
 echo "##", i[0], "##"