fastn
fastn
language is an alternative to XML/JSON for storing data.fastn
language is designed for humans to write data. It tries to be as minimal
as possible, intuitive and readable, no quote character for strings, avoid
indentation etc.-- record person:
caption name:
string location:
optional body bio:
-- person amitu: Amit Upadhyay
location: Bangalore, India
Amit is the founder and CEO of FifthTry.
Consider the above example where we have described our data as person
, and
notice we have type for each field. Notice also our types caption
, which
like "heading of the data", body
, which lets people write multiline strings
without worrying about quoting or indentation etc.
ftd::p1
grammar guide to understand the low
level grammar better.It has support for typed variables, records
(struct
in other languages), or-type
(enum
in Rust, also
called "algebraic data type") and lists.
fastn
files can be validated to conform to strict type or not, and this can be
used by editors to assist humans write correct fastn
files.fastn
also supports referring to other fastn
files, so one can describe the
schema or data in one file and refer it from other files.