61 lines
2.1 KiB
Go
61 lines
2.1 KiB
Go
/**
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defer statement - the place of defer is important - product name and price - and log implemented
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BSD 3-Clause License
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Copyright (c) 2024 Mass Collaboration Labs and contributors
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**/
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package defer_statement
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import "fmt"
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type product struct{
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productName string
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unitPrice int
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}
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func (p product) save(){
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fmt.Println("Product saved : ", p.productName )
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Log()
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}
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func Demo3(){
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p:= product{productName:"Laptop", unitPrice:5000}
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defer p.save() //defer place is important so if we put defer above "Mouse then we can't see mouse"
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p = product{productName:"Mouse", unitPrice:45}
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fmt.Println("Success!")
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fmt.Println(p.productName) // we are able to see "mouse"
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}
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func Log(){
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fmt.Println("Saved log")
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}
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