complete std prefixes for stdlib

doc/astspec.txt

@@ -893,7 +893,7 @@ on what keywords are present. Let's start with the simplest form.
 Concrete syntax:
 
   ```nim
-  import math
+  import std/math
   ```
 
 AST:
@@ -907,7 +907,7 @@ With ``except``, we get ``nnkImportExceptStmt``.
 Concrete syntax:
 
   ```nim
-  import math except pow
+  import std/math except pow
   ```
 
 AST:
@@ -916,13 +916,13 @@ AST:
   nnkImportExceptStmt(nnkIdent("math"),nnkIdent("pow"))
   ```
 
-Note that ``import math as m`` does not use a different node; rather,
+Note that ``import std/math as m`` does not use a different node; rather,
 we use ``nnkImportStmt`` with ``as`` as an infix operator.
 
 Concrete syntax:
 
   ```nim
-  import strutils as su
+  import std/strutils as su
   ```
 
 AST:
@@ -945,7 +945,7 @@ If we use ``from ... import``, the result is different, too.
 Concrete syntax:
 
   ```nim
-  from math import pow
+  from std/math import pow
   ```
 
 AST:
@@ -954,7 +954,7 @@ AST:
   nnkFromStmt(nnkIdent("math"), nnkIdent("pow"))
   ```
 
-Using ``from math as m import pow`` works identically to the ``as`` modifier
+Using ``from std/math as m import pow`` works identically to the ``as`` modifier
 with the ``import`` statement, but wrapped in ``nnkFromStmt``.
 
 Export statement

doc/docgen_sample.nim

@@ -1,6 +1,6 @@
 ## This module is a sample.
 
-import strutils
+import std/strutils
 
 proc helloWorld*(times: int) =
   ## Takes an integer and outputs

doc/estp.md

@@ -28,7 +28,7 @@ Otherwise your program is profiled.
 
 ```nim
 when compileOption("profiler"):
-  import nimprof
+  import std/nimprof
 ```
 
 After your program has finished the profiler will create a

doc/manual.md

@@ -655,7 +655,7 @@ string containing the literal. The callable identifier needs to be declared
 with a special ``'`` prefix:
 
   ```nim
-  import strutils
+  import std/strutils
   type u4 = distinct uint8 # a 4-bit unsigned integer aka "nibble"
   proc `'u4`(n: string): u4 =
     # The leading ' is required.
@@ -670,7 +670,7 @@ corresponds to this transformation. The transformation naturally handles
 the case that additional parameters are passed to the callee:
 
   ```nim
-  import strutils
+  import std/strutils
   type u4 = distinct uint8 # a 4-bit unsigned integer aka "nibble"
   proc `'u4`(n: string; moreData: int): u4 =
     result = (parseInt(n) and 0x0F).u4
@@ -5231,7 +5231,7 @@ conservative in its effect analysis:
   ```nim  test = "nim c $1"  status = 1
   {.push warningAsError[Effect]: on.}
 
-  import algorithm
+  import std/algorithm
 
   type
     MyInt = distinct int

doc/manual_experimental.md

@@ -1368,7 +1368,7 @@ to be computed dynamically.
   ```nim
   {.experimental: "dynamicBindSym".}
 
-  import macros
+  import std/macros
 
   macro callOp(opName, arg1, arg2): untyped =
     result = newCall(bindSym($opName), arg1, arg2)

lib/core/hotcodereloading.nim

@@ -11,7 +11,7 @@
 
 when defined(hotcodereloading):
   import
-    macros
+    std/macros
 
   template beforeCodeReload*(body: untyped) =
     hcrAddEventHandler(true, proc = body) {.executeOnReload.}

lib/deprecated/pure/future.nim

@@ -2,5 +2,5 @@
 
 {.deprecated: "Use the new 'sugar' module instead".}
 
-import sugar
+import std/sugar
 export sugar

lib/deprecated/pure/ospaths.nim

@@ -11,7 +11,7 @@
 
 {.deprecated: "use `std/os` instead".}
 
-import os
+import std/os
 export ReadEnvEffect, WriteEnvEffect, ReadDirEffect, WriteDirEffect, OSErrorCode,
   doslikeFileSystem, CurDir, ParDir, DirSep, AltSep, PathSep, FileSystemCaseSensitive,
   ExeExt, ScriptExt, DynlibFormat, ExtSep, joinPath, `/`, splitPath, parentDir,

lib/deprecated/pure/oswalkdir.nim

@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-## This module is deprecated, `import os` instead.
-{.deprecated: "import os.nim instead".}
-import os
+## This module is deprecated, `import std/os` instead.
+{.deprecated: "import 'std/os' instead".}
+import std/os
 export PathComponent, walkDir, walkDirRec

lib/experimental/diff.nim

@@ -43,7 +43,7 @@ jkl"""
 # "An O(ND) Difference Algorithm and its Variations" by Eugene Myers
 # Algorithmica Vol. 1 No. 2, 1986, p 251.
 
-import tables, strutils
+import std/[tables, strutils]
 
 when defined(nimPreviewSlimSystem):
   import std/assertions

lib/impure/nre.nim

@@ -61,12 +61,12 @@ runnableExamples:
   assert find("uxabc", re"(?<=x|y)ab", start = 1).get.captures[-1] == "ab"
   assert find("uxabc", re"ab", start = 3).isNone
 
-from pcre import nil
+from std/pcre import nil
 import nre/private/util
-import tables
-from strutils import `%`
-import options
-from unicode import runeLenAt
+import std/tables
+from std/strutils import `%`
+import std/options
+from std/unicode import runeLenAt
 
 when defined(nimPreviewSlimSystem):
   import std/assertions

lib/impure/nre/private/util.nim

@@ -1,5 +1,5 @@
 ## INTERNAL FILE FOR USE ONLY BY nre.nim.
-import tables
+import std/tables
 
 const Ident = {'a'..'z', 'A'..'Z', '0'..'9', '_', '\128'..'\255'}
 const StartIdent = Ident - {'0'..'9'}

lib/impure/rdstdin.nim

@@ -55,7 +55,7 @@ elif defined(genode):
     stdin.readLine(line)
 
 else:
-  import linenoise
+  import std/linenoise
 
   proc readLineFromStdin*(prompt: string, line: var string): bool {.
                           tags: [ReadIOEffect, WriteIOEffect].} =

lib/impure/re.nim

@@ -36,7 +36,7 @@ runnableExamples:
     # can't match start of string since we're starting at 1
 
 import
-  pcre, strutils, rtarrays
+  std/[pcre, strutils, rtarrays]
 
 when defined(nimPreviewSlimSystem):
   import std/syncio

lib/nimhcr.nim

@@ -219,7 +219,7 @@ when defined(createNimHcr):
   when system.appType != "lib":
     {.error: "This file has to be compiled as a library!".}
 
-  import os, tables, sets, times, strutils, reservedmem, dynlib
+  import std/[os, tables, sets, times, strutils, reservedmem, dynlib]
 
   template trace(args: varargs[untyped]) =
     when defined(testNimHcr) or defined(traceHcr):

lib/nimrtl.nim

@@ -36,5 +36,5 @@ when not defined(createNimRtl):
   {.error: "This file has to be compiled with '-d:createNimRtl'".}
 
 import
-  parseutils, strutils, parseopt, parsecfg, strtabs, unicode, pegs, ropes,
-  os, osproc, times, cstrutils
+  std/[parseutils, strutils, parseopt, parsecfg, strtabs, unicode, pegs, ropes,
+  os, osproc, times, cstrutils]

lib/packages/docutils/dochelpers.nim

@@ -13,7 +13,8 @@
 ## `type LangSymbol`_ in ``rst.nim``, while `match(generated, docLink)`_
 ## matches it with `generated`, produced from `PNode` by ``docgen.rst``.
 
-import rstast, strutils
+import rstast
+import std/strutils
 
 when defined(nimPreviewSlimSystem):
   import std/[assertions, syncio]

lib/packages/docutils/highlite.nim

@@ -57,8 +57,8 @@
 ## as program output.
 
 import
-  strutils
-from algorithm import binarySearch
+  std/strutils
+from std/algorithm import binarySearch
 
 when defined(nimPreviewSlimSystem):
   import std/[assertions, syncio]

lib/packages/docutils/rst.nim

@@ -21,8 +21,10 @@
 ## turned on by passing ``options:`` [RstParseOptions] to [proc rstParse].
 
 import
-  os, strutils, rstast, dochelpers, std/enumutils, algorithm, lists, sequtils,
-  std/private/miscdollars, tables, strscans, rstidx
+  std/[os, strutils, enumutils, algorithm, lists, sequtils,
+  tables, strscans]
+import dochelpers, rstidx, rstast
+import std/private/miscdollars
 from highlite import SourceLanguage, getSourceLanguage
 
 when defined(nimPreviewSlimSystem):

lib/packages/docutils/rstast.nim

@@ -9,7 +9,7 @@
 
 ## This module implements an AST for the `reStructuredText`:idx: parser.
 
-import strutils, json
+import std/[strutils, json]
 
 when defined(nimPreviewSlimSystem):
   import std/assertions

lib/packages/docutils/rstgen.nim

@@ -39,10 +39,10 @@
 ##   No backreferences are generated since finding all references of a footnote
 ##   can be done by simply searching for ``[footnoteName]``.
 
-import strutils, os, hashes, strtabs, rstast, rst, rstidx,
-  highlite, tables, sequtils,
-  algorithm, parseutils, std/strbasics
+import std/[strutils, os, hashes, strtabs, tables, sequtils,
+  algorithm, parseutils, strbasics]
 
+import rstast, rst, rstidx, highlite
 
 when defined(nimPreviewSlimSystem):
   import std/[assertions, syncio, formatfloat]

lib/packages/docutils/rstidx.nim

@@ -7,8 +7,8 @@
 
 ## Nim `idx`:idx: file format related definitions.
 
-import strutils, std/syncio, hashes
-from os import splitFile
+import std/[strutils, syncio, hashes]
+from std/os import splitFile
 
 type
   IndexEntryKind* = enum ## discriminator tag

lib/posix/epoll.nim

@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-from posix import SocketHandle
+from std/posix import SocketHandle
 
 const
   EPOLLIN* = 0x00000001

lib/posix/kqueue.nim

@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-from posix import Timespec
+from std/posix import Timespec
 
 when defined(macosx) or defined(freebsd) or defined(openbsd) or
      defined(dragonfly):

lib/posix/linux.nim

@@ -1,4 +1,4 @@
-import posix
+import std/posix
 
 ## Flags of `clone` syscall.
 ## See `clone syscall manual

lib/posix/posix_utils.nim

@@ -11,7 +11,7 @@
 
 # Where possible, contribute OS-independent procs in `os <os.html>`_ instead.
 
-import posix, parsecfg, os
+import std/[posix, parsecfg, os]
 import std/private/since
 
 when defined(nimPreviewSlimSystem):

lib/posix/termios.nim

@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-import posix
+import std/posix
 
 type
   Speed* = cuint

lib/pure/async.nim

@@ -2,8 +2,8 @@
 ## and [asyncjs](asyncjs.html) on the JS backend. 
 
 when defined(js):
-  import asyncjs
+  import std/asyncjs
   export asyncjs
 else:
-  import asyncmacro, asyncfutures
+  import std/[asyncmacro, asyncfutures]
   export asyncmacro, asyncfutures

lib/pure/asyncdispatch.nim

@@ -226,11 +226,11 @@
 ## ``none`` can be used when a library supports both a synchronous and
 ## asynchronous API, to disable the latter.
 
-import os, tables, strutils, times, heapqueue, options, asyncstreams
-import options, math, std/monotimes
-import asyncfutures except callSoon
+import std/[os, tables, strutils, times, heapqueue, options, asyncstreams]
+import std/[math, monotimes]
+import std/asyncfutures except callSoon
 
-import nativesockets, net, deques
+import std/[nativesockets, net, deques]
 
 when defined(nimPreviewSlimSystem):
   import std/[assertions, syncio]
@@ -302,7 +302,7 @@ template implementSetInheritable() {.dirty.} =
       fd.FileHandle.setInheritable(inheritable)
 
 when defined(windows) or defined(nimdoc):
-  import winlean, sets, hashes
+  import std/[winlean, sets, hashes]
   type
     CompletionKey = ULONG_PTR
 
@@ -1166,11 +1166,11 @@ when defined(windows) or defined(nimdoc):
 
   initAll()
 else:
-  import selectors
-  from posix import EINTR, EAGAIN, EINPROGRESS, EWOULDBLOCK, MSG_PEEK,
+  import std/selectors
+  from std/posix import EINTR, EAGAIN, EINPROGRESS, EWOULDBLOCK, MSG_PEEK,
                     MSG_NOSIGNAL
   when declared(posix.accept4):
-    from posix import accept4, SOCK_CLOEXEC
+    from std/posix import accept4, SOCK_CLOEXEC
   when defined(genode):
     import genode/env # get the implicit Genode env
     import genode/signals
@@ -1994,7 +1994,7 @@ proc send*(socket: AsyncFD, data: string,
   return retFuture
 
 # -- Await Macro
-import asyncmacro
+import std/asyncmacro
 export asyncmacro
 
 proc readAll*(future: FutureStream[string]): owned(Future[string]) {.async.} =
@@ -2032,7 +2032,7 @@ proc activeDescriptors*(): int {.inline.} =
     result = getGlobalDispatcher().selector.count
 
 when defined(posix):
-  import posix
+  import std/posix
 
 when defined(linux) or defined(windows) or defined(macosx) or defined(bsd) or
        defined(solaris) or defined(zephyr) or defined(freertos) or defined(nuttx) or defined(haiku):