Comment by andrewstuart

>> Many sub-languages to learn, many with different syntaxes and semantics. For example: >> >> the expression language >> unsafe runtime language >> safe runtime language >> compile time language >> the type language >> the trait language >> the macro language >> the attribute language

I've been wanting to ask Rust experts about this..... to what extent is this really necessary?

Is it possible to create a language with all the memory and thread safety of Rust, based on a single language with no sub languages?