A distinctive unique value that is unlikely to be mistaken for other meanings (e.g., Globally Unique Identifiers).A constant numerical or text value used to identify a file format or protocol for files, see List of file signatures.A unique value with unexplained meaning or multiple occurrences which could (preferably) be replaced with a named constant.In computer programming, a magic number is any of the following: With CReal, we can show 100 digits of 𝜋.
an-macair:~ donaldsheng$ cabal install -lib numbers Resolving dependencies. OK, no problem - we do want to install libraries. Perhaps you want to use -lib to install libraries instead. Build profile: -w ghc-8.8.2 -O1 In order, the following will be built (use -v for more details): - numbers-3000.2.0.2 (lib) (requires download & build) Downloading numbers-3000.2.0.2 Downloaded numbers-3000.2.0.2 Starting numbers-3000.2.0.2 (lib) Building numbers-3000.2.0.2 (lib) Installing numbers-3000.2.0.2 (lib) Completed numbers-3000.2.0.2 (lib) Warning: You asked to install executables, but there are no executables in target: numbers. Build profile: -w ghc-8.8.2 -O1 In order, the following would be built (use -v for more details): - numbers-3000.2.0.2 (lib) (requires download & build)Īctually install numbers: an-macair:~ donaldsheng$ cabal install numbers Resolving dependencies. Pretend to install numbers with -dry option: an-macair:~ donaldsheng$ cabal install -dry numbers Resolving dependencies. an-macair:~ donaldsheng$ cabal update Downloading the latest package list from Run cabal update to download the latest package list from. an-macair:~ donaldsheng$ brew install cabal-install => Downloading => Downloading from # 100.0% => Pouring cabal-install-3.0.0.0_1.high_ => Caveats Bash completion has been installed to: /usr/local/etc/bash_completion.d => Summary 🍺 /usr/local/Cellar/cabal-install/3.0.0.0_1: 7 files, 27.5MB an-macair:~ donaldsheng$ And if you love numbers as much as me, you can use cabal to install Haskell package “numbers”.
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