From 24cb8a90ef17ec33f839cf61505833449cc9a506 Mon Sep 17 00:00:00 2001
From: Jameson Nash <vtjnash@gmail.com>
Date: Tue, 16 Nov 2021 10:38:16 -0500
Subject: [PATCH] implement AbstractVector inference for ConvergentsIterator

Fixes https://github.com/JuliaLang/julia/issues/43101
---
 src/gaussiannumbers/continued_fraction.jl | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/gaussiannumbers/continued_fraction.jl b/src/gaussiannumbers/continued_fraction.jl
index 7cfc31f997..1df49f8eb9 100644
--- a/src/gaussiannumbers/continued_fraction.jl
+++ b/src/gaussiannumbers/continued_fraction.jl
@@ -350,14 +350,13 @@ end
 #
 ###############################################################################
 
-struct ConvergentsIterator{T, R}
+struct ConvergentsIterator{T, R} <: AbstractVector{R}
    v::Vector{T}
 end
 
 Base.lastindex(it::ConvergentsIterator) = length(it.v)
 Base.length(it::ConvergentsIterator)    = length(it.v)
-Base.eltype(::Type{ConvergentsIterator{T, R}}) where {T, R} = R
-Base.eltype(it::ConvergentsIterator{T, R})     where {T, R} = R
+Base.size(it::ConvergentsIterator)      = size(it.v)
 Base.collect(it::ConvergentsIterator{T, R})    where {T, R} = collect(R, it)
 
 function Base.getindex(it::ConvergentsIterator{T, R}, n) where {T, R}