On 2020-07-14 22:37, Marcone via Digitalmars-d-learn wrote:
import std: isUpper, writeln;void main(){ writeln(isUpper('A')); } Why I get this error? How can I use isUpper()?
Two more options: either fully qualify the name: import std; void main(){ writeln(std.uni.isUpper('A')); } or import locally: import std; void main(){ import std.uni; writeln(isUpper('A')); }