Merge pull request #64 from Tokazama/master

V2.12.0 + known_length in README

Author: chriselrod

Project.toml

@@ -1,6 +1,6 @@
 name = "ArrayInterface"
 uuid = "4fba245c-0d91-5ea0-9b3e-6abc04ee57a9"
-version = "2.11.0"
+version = "2.12.0"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"

README.md

@@ -129,6 +129,11 @@ If `step` of instances of type `T` are known at compile time, return that step.
 Otherwise, returns `nothing`. For example, `known_step(UnitRange{Int})` returns
 `one(Int)`.
 
+## known_length(::Type{T})
+
+If `length` of an instance of type `T` is known at compile time, return it.
+Otherwise, return `nothing`.
+
 # List of things to add
 
 - https://github.com/JuliaLang/julia/issues/22216