tryparse does not work

[Wynand]

Code to test, using Julia 1.6.6 and FixedPointDecimals 0.4.0:

julia> using FixedPointDecimals

julia> tryparse(FixedDecimal{Int64,2},"1.5")
ERROR: MethodError: no method matching tryparse(::Type{FixedDecimal{Int64, 2}}, ::String)
Closest candidates are:
  tryparse(::Type{Complex{S}}, ::AbstractString) where S<:Real at parse.jl:384
  tryparse(::Type{T}, ::AbstractString) where T<:Dates.TimeType at /Users/julia/buildbot/worker/package_macos64/build/usr/share/julia/stdlib/v1.6/Dates/src/parse.jl:288
  tryparse(::Type{T}, ::AbstractString, ::Dates.DateFormat) where T<:Dates.TimeType at /Users/julia/buildbot/worker/package_macos64/build/usr/share/julia/stdlib/v1.6/Dates/src/parse.jl:288
  ...
Stacktrace:
 [1] top-level scope
   @ REPL[2]:1

julia>

It might be useful to look at the base implementation of parse to fix this

[Wynand]

A naive fix might be to implement something like this:

function Base.tryparse(::Type{FD}, args...; kwargs...) where FD <: FixedDecimal
    try
        return parse(FD,args...;kwargs...)
    catch
        return nothing
    end
end

[Drvi]

Fixed by #80