JosephFerano/flan
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Lambdas are written with =>

Browse Source
This commit is contained in:
Joseph Ferano 2026-09-26 04:57:45 +07:00
parent 78e0091e3e
commit 7d898beb91
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
TODO.org
View File

@ -644,10 +644,11 @@ awaiting confirmation, and the build order. Rules out Parinfer, wisp and
sweet-expressions, and a simplified in-paren syntax — all thin the parens
without removing them.
** WAIT A lambda with a block cannot be a call's argument
On the author's decision. =sort-by(xs, fn(a, b)= plus a block is refused; the
lambda has to be bound first with =let=. Proposal: a call ending in =fn(...)= and a trailing =:=
hands the block to that lambda: =sort-by(xs, fn(a, b)):=.
** NEXT Lambdas are written with =>
Decided 2026-09-26: a lambda's body follows ~=>~, and ~=>~ is its only spelling
(~fn(a) = x~ is refused for a lambda; named functions keep ~=~). A header ending in ~=>~
takes an indented block even inside brackets, closing where the brackets close:
~sort-by(xs, fn(a, b) =>~ plus a block.
** NEXT A condition struct with a parent has no sugar
On the author's decision. =defstruct(DiskFull, :parent, IoError, [free i64])= is the fallback, with a