On UNIX and macOS, AGDA_DIR defaults to ~/.agda. You will need to create two configuration files in AGDA_DIR. Check to see that the file “standard-library.agda-lib” exists, and make a note of the path to this file. You'll need the path where you installed the standard library. # Remove `-depth 1` if you want the complete git history of the standard library.įinally, we need to let Agda know where to find the Agda standard library. Git clone -branch v1.6 -depth 1 agda-stdlib For most versions of macOS, you can install these by running the following command:
On macOS, you’ll need to install the XCode Command Line Tools. On macOS: Install the XCode Command Line Tools Therefore, it’s important to have the specific versions of Agda and the standard library shown above. Furthermore, Agda is under active development, so if you install the development version from the GitHub, you might find the developers have introduced changes which break the code here. If you are using a package manager, like Homebrew or Debian apt, the version of Agda available there may be out-of date. There are several versions of Agda and its standard library online. Agda and the standard library change rapidly, and these changes often break PLFA, so using older or newer versions usually causes problems. PLFA is tested against specific versions of Agda and the standard library, which are shown in the badges above.
However, if you wish to interact with the code or complete the exercises, you need several things: You can read PLFA online without installing anything.
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