Cairo 0 Features Parity

On this page we track the missing features to reach feature parity with the old compiler version. We divided them into Cairo, Starknet and specific system calls in Starknet OS.

If we missed a feature, please let us know.

Cairo features

name	status
`if (x == y)`	✅
`if (x == y & z == w)`	✅
Short strings	✅
Structs	✅
Builtin Range check	✅
Builtin Pedersen	✅
Builtin Bitwise	✅
Uint256	✅
Builtin ec-op	✅
Append-only arrays	✅
Named arguments	✅
Serde (serialization)	✅
Dict	✅
`if (cond1 && cond2)`	✅
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Starknet features

name	status
Contract interface	✅
External functions and view functions	✅
Storage variables - felts	✅
Storage variables - mapping	✅
Storage variables - other types as values	✅
Events	✅

Starknet system calls

name	status
storage_read	✅
storage_write	✅
get_caller_address	✅
call_contract	✅
library_call	✅
deploy	✅
get_block_number	✅
get_block_timestamp	✅
get_contract_address	✅
get_sequencer_address	✅
get_transaction_info	✅
send_message_to_l1	✅

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