Progress

Checks the potential errors with closure calls

fixes #19857; Exception raised in closure may be "skipped" in ORC.

Adds a prepass for codeReordering

add a prepass for codeReordering.

To keep backwards compatibility. It adds a prepass for codeReordering. Before processing all the source code, it iterates all the nodes and looks for {.experimental: "codeReordering"}. If the flag is found, it will enter the processing in the codeReordering mode.

Forbids changing branch of an object variant in ORC

fix #18977; disallow change branch of an object variant in ORC.

type
  E = enum
    a, b, c, d
  X = object
    v: int
  O = object
    case kind: E
    of a:
      a: int
    of {b, c}:
      b: float
    else:
      d: X

proc `=destroy`(x: var X) =
  echo "x destroyed"

var o = O(kind: d, d: X(v: 12345))
doAssert o.d.v == 12345

doAssertRaises(FieldDefect):
  o.kind = a

You cannot change the branch of o anymore unless you assign to it the same kind or use {.cast(uncheckedAssign).} to permit the operation.

o.kind = d
{.cast(uncheckedAssign).}:
  o.kind = a

Weekly collection

https://forum.nim-lang.org/t/9908 (2/19)

https://forum.nim-lang.org/t/9940 (2/26)

https://forum.nim-lang.org/t/9970 (3/5)

https://forum.nim-lang.org/t/9989 (3/12)

Participating in contributions

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Sponsorship

Many thanks to @Yepoleb, @lenis0012, @pietroppeter, @Clonkk, @mode80, @phil, @CxPlanner, @shirleyquirk, @elcritch, @geotre, @thinkwelltwd, @xrfez, @enthus1ast, @piertoni, @Dnanilem for sponsoring me on GitHub.