error: unexpected TOKEN_LESS at 0..1, wanted any of [TOKEN_L_PAREN, TOKEN_REC, TOKEN_L_BRACE, TOKEN_L_BRACK, TOKEN_STRING_START, TOKEN_IDENT]
error: unexpected end of file
NODE_ROOT@0..20
NODE_BIN_OP@0..20
NODE_APPLY@0..19
NODE_ERROR@0..1
TOKEN_LESS@0..1 "<"
NODE_PATH_REL@1..19
TOKEN_PATH_REL@1..9 "nixpkgs/"
NODE_INTERPOL@9..15
TOKEN_INTERPOL_START@9..11 "${"
NODE_IDENT@11..14
TOKEN_IDENT@11..14 "foo"
TOKEN_INTERPOL_END@14..15 "}"
TOKEN_PATH_REL@15..19 "/bar"
TOKEN_MORE@19..20 ">"