homogenize first/last definitions (#238)

Author: jishnub

src/Spaces/Chebyshev/Chebyshev.jl

@@ -57,14 +57,14 @@ setdomain(S::Chebyshev, d::Domain) = Chebyshev(d)
 ones(::Type{T}, S::Chebyshev) where {T<:Number} = Fun(S,fill(one(T),1))
 ones(S::Chebyshev) = Fun(S,fill(1.0,1))
 
-function Base.first(f::Fun{<:Chebyshev})
+function first(f::Fun{<:Chebyshev})
     n = ncoefficients(f)
     n == 0 && return zero(cfstype(f))
     n == 1 && return f.coefficients[1]
     foldr(-,coefficients(f))
 end
 
-Base.last(f::Fun{<:Chebyshev}) = reduce(+,coefficients(f))
+last(f::Fun{<:Chebyshev}) = reduce(+,coefficients(f))
 
 spacescompatible(a::Chebyshev,b::Chebyshev) = domainscompatible(a,b)
 hasfasttransform(::Chebyshev) = true

src/Spaces/Ultraspherical/Ultraspherical.jl

@@ -103,17 +103,17 @@ ones(S::Ultraspherical) = ones(Float64, S)
 
 ## Fast evaluation
 
-function Base.first(f::Fun{<:Ultraspherical{Int}})
+function first(f::Fun{<:Ultraspherical{Int}})
     n = length(f.coefficients)
     n == 0 && return zero(cfstype(f))
     n == 1 && return first(f.coefficients)
     foldr(-,coefficients(f,Chebyshev))
 end
 
-Base.last(f::Fun{<:Ultraspherical{Int}}) = reduce(+,coefficients(f,Chebyshev))
+last(f::Fun{<:Ultraspherical{Int}}) = reduce(+,coefficients(f,Chebyshev))
 
-Base.first(f::Fun{<:Ultraspherical}) = f(leftendpoint(domain(f)))
-Base.last(f::Fun{<:Ultraspherical}) = f(rightendpoint(domain(f)))
+first(f::Fun{<:Ultraspherical}) = f(leftendpoint(domain(f)))
+last(f::Fun{<:Ultraspherical}) = f(rightendpoint(domain(f)))
 
 function Fun(::typeof(identity), s::Ultraspherical)
     d = domain(s)