What is the return type of an iterator? why we used auto here?

#1

What is the return type of an iterator? why we used auto here?

#2

@riagoel3999 , auto basically takes the data type automatically if data type is integer then auto will become int
iterator is like a pointer

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#3

What is the datatype of iterator here?

#4

@riagoel3999, pointer thats y u r using *it to get the value

#5

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#6

like auto i =9;
here i is integer. If I write string s; auto it=s.begin();here it is?

#7

pointing to the first character of string

#8

so it is of type char
I can write char it=s.begin() that means?

#9

no its string iterator, defined in string class…u can write string:: iterator it