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[FileFormats.LP] fix type stability of LP reader #2843

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Merged
merged 1 commit into from
Sep 12, 2025
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[FileFormats.LP] fix type stability of LP reader #2843

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10 changes: 5 additions & 5 deletions src/FileFormats/LP/read.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -242,8 +242,8 @@ struct _Token
end

"""
mutable struct _LexerState
io::IO
mutable struct _LexerState{O<:IO}
io::O
line::Int
peek_char::Union{Nothing,Char}
peek_tokens::Vector{_Token}
Expand All @@ -257,12 +257,12 @@ A struct that is used to manage state when lexing. It stores:
* `peek_char`: the next `Char` in the `io`
* `peek_tokens`: the list of upcoming tokens that we have already peeked
"""
mutable struct _LexerState
io::IO
mutable struct _LexerState{O<:IO}
io::O
line::Int
peek_char::Union{Nothing,Char}
peek_tokens::Vector{_Token}
_LexerState(io::IO) = new(io, 1, nothing, _Token[])
_LexerState(io::IO) = new{typeof(io)}(io, 1, nothing, _Token[])
end

"""
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