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[ringabout]

issues from nimskull

nim-works/nimskull#41

JS backend

The programs below doesn't work with JS backend

• enum corner case in JS backend

type
  c_git_diff_option_t* = enum
    c_GIT_DIFF_NORMAL                          = 0 shl 0
    c_GIT_DIFF_IGNORE_BLANK_LINES              = 1 shl 31

Ref nim-works/nimskull#10

int is 32 bit for JS VM/backend

• construction with side effects expression in JS backend

block multi_key:
  var used = 0
  let curly = {
    "key1", "key2": (inc used; used),
    "key3": (inc used; used)
  }

  doAssert used == 3, "Expression is evaluated for each key"
  doAssert curly == [
    ("key1", 1),
    ("key2", 2),
    ("key3", 3)
  ]

accept invalid

• Nim compiler ignore leading spaces. In contrast, import os causes indentation error in Python.

   import os
block:
  echo 123

Documentation

Json

• ref json module improvements nim-lang/Nim#1553; bring some documentation of std/json back