Implementations

The ASDF specification is supported in several programming languages. See the table and links below for more information about each implementation and what features are supported (R/W = reads and writes).

Implementation	Metadata	Tags	Blocks	Compression	Validation [1]	Extensions
Python	R/W	R/W	R/W	R/W	True	True
C	R/W	R/W	R/W	R/W		True
C++	R/W	R/W [2]	R [2]	R/W [2]
Java	R	R	R	R
Julia	R/W	R/W	R/W	R/W

Footnotes

[1]

The “Validation” column refers to support for validation of the YAML metadata against the associated schemas.

[2] (1,2,3)

The c++ implementation only supports 1.2.0 core schemas and always compresses arrays.