schnittstelle (german for "interface") is a CLI tool to generate an interface from the methods implemented for a struct in a source tree.
Simply compile and install the tool on your system using go install.
GOBIN=/usr/local/bin go install github.com/zekrotja/schnittstelle/v3/cmd/schnittstelle@latest
Alternatively, you can simply download latest binaries from the releases page or artifacts from latest CI builds.
Usage: schnittstelle --struct STRUCT [--root ROOT] [--interface INTERFACE] [--package PACKAGE]
[--out OUT] [--inject INJECT] [--import IMPORT] [--pool POOL] [--format]
Options:
--struct STRUCT, -s STRUCT
Name of the struct
--root ROOT, -r ROOT Root directory [default: .]
--interface INTERFACE, -i INTERFACE
The name of the result interface (name of struct when not specified)
--package PACKAGE, -p PACKAGE
Package name ingested in output
--out OUT, -o OUT Output file (if not specified, output will be piped to Stdout)
--inject INJECT Inject code lines into the output code.
--import IMPORT Add import lines to the output.
--pool POOL Number of files which can be searched through simultaneously [default: 5]
--format, -f Format output using Gofmt.
--help, -h display this help and exit