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https://github.com/bgctw/symboldispatch.jl

Implementing the Singleton type dispatch pattern

https://github.com/bgctw/symboldispatch.jl

Science Score: 13.0%

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Repository

Implementing the Singleton type dispatch pattern

Basic Info
  • Host: GitHub
  • Owner: bgctw
  • License: mit
  • Language: Julia
  • Default Branch: main
  • Size: 110 KB
Statistics
  • Stars: 0
  • Watchers: 1
  • Forks: 0
  • Open Issues: 0
  • Releases: 0
Created about 4 years ago · Last pushed over 1 year ago
Metadata Files
Readme License

README.md

SymbolDispatch

Stable Dev Build Status Coverage

Macro @symboldispatch helps implementing the singleton type dispatch pattern, with avoiding the value type anti pattern.

Code Example ```julia using SymbolDispatch @symboldispatch _bar(::Val{:method1}) = "method for :method1" _bar(::Val{:method2}) = "method for :method2"

call with symbol, rather than Val(:method1)

_bar(:method1) == "method for :method1" ```

See documentation

Type-stable Alternatives

Caution The return of a symbol-dispatched call is type-unstable. Use this pattern only in non-performance-critical parts of your application or where you can deal with type-instability.

As an alternative, consider explicitly declaring Singleton-types.

```julia abstract type ETMethod end struct PriestleyTaylor <: ETMethod end struct PenmanMonteith <: ETMethod end

potentialET(::PriestleyTaylor, Tair) = "return from PriestlyTaylor" potentialET(::PenmanMonteith, Tair) = "return from PenmanMonteith"

method = PriestleyTaylor() ET = potential_ET(method, 21.3) ```

Owner

  • Name: Thomas Wutzler
  • Login: bgctw
  • Kind: user

GitHub Events

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  • Push event: 4
Last Year
  • Push event: 4

Dependencies

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.github/workflows/CompatHelper.yml actions
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.github/workflows/TagBot.yml actions
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