Remove reference to BangBang

[gdalle]

Amend the warning in the docs to avoid suggesting that the convention is exactly the same as BangBang.jl's

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.10%. Comparing base (11233ce) to head (9de122a).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #167   +/-   ##
=======================================
  Coverage   94.10%   94.10%           
=======================================
  Files          61       61           
  Lines        2156     2156           
=======================================
  Hits         2029     2029           
  Misses        127      127           

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[gdalle]

Note however that BangBang.jl itself does not guarantee that the input will be mutated whenever possible:

julia> using BangBang, StaticArrays

julia> src = [2.0, 3.0];

julia> dst_before = zero(src);

julia> dst_after = broadcast!!(abs2, dst_before, src)
2-element Vector{Float64}:
 4.0
 9.0

julia> dst_before  # it was mutated
2-element Vector{Float64}:
 4.0
 9.0

julia> src_static = MVector(2.0, 3.0);

julia> dst_before_static = zero(src_static);

julia> dst_after_static = broadcast!!(abs2, dst_before_static, src_static)
2-element MVector{2, Float64} with indices SOneTo(2):
 4.0
 9.0

julia> dst_before_static # it wasn't mutated but could have been
2-element MVector{2, Float64} with indices SOneTo(2):
 0.0
 0.0