FindSeqs finds the seqs field within what is expected to be a valid lineage ast.Node.

FmtNode exports a node to CUE standard-fmt'd bytes using standard Thema configuration.

FmtNodeP is FmtNode but panics on error.

Format formats a cue.Value using a Thema-standard set of options.

GetFieldByLabel returns the ast.Field with a given label from a struct-ish input.

LatestSchemaList finds the ListLit for the latest sequence in what is expected to be a valid lineage ast.Node.

SchemaListFor finds the ListLit for a particular major version number in what is expected to be a valid lineage ast.Node.

ToExpr converts a node to an expression.