Minimized and explicit imports in std.algorithm
reduced imports for std.range
reduced imports for std.stdio
rebased
Mark a constructor of std.format.FormatSpec as @safe, pure
Add example of how to use scoped member variable
Mark std.string.lastIndoxOf as @safe pure
Updates MemoryStream.reserve DDOC

Removes ambiguity as to whether `reserve` is relative to the entire stream or the cursor position.
BigInt const (Fixes 11148 and parts of 11188)
Fix error inpull 1679
More fixes for pull 1679
Fixed wrong placement of unittest in pull 1679
fix Issue 11401 - ElementType returns constructor instead of type

1. For `exp.member`, compiler always try to resolve property/optional parenthesis on `exp`. so use `front.init`.
2. Built-in `init` property always returns rvalue, so `front.init` won't invoke postblit.
Merge pull request #1681 from 9rnsr/fix11401

[REG2.065a] Issue 11401 - ElementType returns constructor instead of type
Fixed template constraints in biguintcore.
More fixes.
fix reg in appender
Fix Issue 11459 - std.container.Array bool constraint ambiguity
unittest and minor fixes
Merge pull request #1683 from monarchdodra/AppenderFixup

fix reg in appender