Robot framework 7.3

1.robot

*** Variables ***
${AGE: int}    1    

*** Test Cases ***
Use variables
    # FAIL: 1 (integer) != 1 (string)
    Should Be Equal    ${AGE}    1
    # PASS
    Should Be Equal    ${AGE}    ${1}

Use VAR syntax
    VAR   ${age: int}    30
    # FAIL: 30 (integer) != 30 (string)
    Should Be Equal    ${age}    30
    # PASS
    Should Be Equal    ${age}    ${30}

*** Keywords ***
Check ${age: int} in Keyword
    # FAIL: 30 (integer) != 30 (string)
    Should Be Equal    ${age}    30
    # PASS
    Should Be Equal    ${age}    ${30}