Made @dbsp.str.concat() and @dbsp.str.concat_clone() variadic, meaning they can take multiple parameters, e.g. @dbsp.str.concat_clone("foo", " ", "bar", " ", "baz")
Implemented @dbsp.str.write() which takes a string and a scalar and writes the scalar value to the string, e.g. @dbsp.str.write("whee", 10i32) -> "whee10"
@dbsp.str.is_ascii()
@dbsp.str.concat()
return a string@dbsp.str.concat()
and@dbsp.str.concat_clone()
variadic, meaning they can take multiple parameters, e.g.@dbsp.str.concat_clone("foo", " ", "bar", " ", "baz")
@dbsp.str.write()
which takes a string and a scalar and writes the scalar value to the string, e.g.@dbsp.str.write("whee", 10i32) -> "whee10"
cc @mbudiu-vmw for function changes