Ghost character that when Shakespeare dramatised the poem and expanded Mercutio's role, he introduced a brother for him in order to suggest a more fraternal character. Shakespeare appears to be the first dramatist to have used the name Valentine prior to "Romeo and Juliet", but he himself had actually used the name previously. In "Two Gentlemen of Verona", a play about two brothers and also set in Verona, Valentine is a true and constant lover and Proteus is a fickle one. While not primarily based on it, "Two Gentlemen of Verona" adapts several incidents from Brooke's poem, and in all these instances
Proteus (programming language) points are: The language can be extended by adding user functions written in Proteus or DLLs created in C/C++. At first sight, Proteus may appear similar to Basic because of its straight syntax, but similarities are limited to the surface: Data types supported by Proteus are only three: integer numbers, floating point numbers and strings. Access to advanced data structures (files, arrays, queues, stacks, AVL trees, sets and so on) takes place by using "handles", i.e. integer numbers returned by item creation functions. Type declaration is unnecessary: variable type is determined by the function applied – Proteus converts on the