Add a helper for getting the location of a span in some textual source#1937

Merged

jimblandy merged 2 commits intogfx-rs:masterfrom nical:span-location

May 26, 2022

+162-15

Commits on May 23, 2022

Add a helper for getting the location of a span in some textual source.
nical
committed

Commits on May 26, 2022

Doc tweaks.
jimblandy
committed