Wrapper vs Null - What's the difference?
wrapper | null |
Something that is wrapped around something else as a cover or protection: a wrapping.
An outer garment; a loose robe or dressing gown.
*1839 , (Edgar Allan Poe), ‘William Wilson’:
*:‘Please to examine, at your leisure, the inner linings of the cuff of his left sleeve, and the several little packages which may be found in the somewhat capacious pockets of his embroidered morning wrapper .’
One who, or that which, wraps.
(computing) A construct, such as a class or module, that serves to mediate access to another.
A non-existent or empty value or set of values.
Zero]] quantity of [[expression, expressions; nothing.
Something that has no force or meaning.
(computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
(computing) the attribute of an entity that has no valid value.
One of the beads in nulled work.
(statistics) null hypothesis
Having no validity, "null and void"
insignificant
* 1924 , Marcel Proust, Within a Budding Grove :
absent or non-existent
(mathematics) of the null set
(mathematics) of or comprising a value of precisely zero
(genetics, of a mutation) causing a complete loss of gene function, amorphic.
As nouns the difference between wrapper and null
is that wrapper is something that is wrapped around something else as a cover or protection: a wrapping while null is zero, nil; the cardinal number before einn.wrapper
English
Noun
(en noun)- He proved to be a remarkably efficient wrapper of parcels.
- We need a Perl wrapper for this C++ library.
Synonyms
* (construct that mediates access) * wrapper classUsage notes
* In the computing sense, is often used attributively: one can speak of a “wrapper class”, a “wrapper object”, a “wrapper function”, and so on. More broadly, one can speak of the “wrapper pattern”, which is a general term for the creation and use of such wrappers.null
English
Noun
(en noun)- (Francis Bacon)
- Since no date of birth was entered for the patient, his age is null .
Adjective
(en adjective)- In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.